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List of freshwater aquarium fish species

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A vast number of aquatic species have successfully adapted to live in the freshwater aquarium. This list gives some examples of the most common species found in home aquariums

Catfish

Armored catfish including Aspidoras, Brochis, Callichthys, and Corydoras
Common name Taxonomy About Image Size Remarks Temperature range pH range
Brown-point shield skin longirostris Aspidoras fuscoguttatus 3.8 cm (1.5 in)[1] 22–25 °C (72–77 °F)[1] 5.5–6.8[1]
Aspidoras lakoi 4 cm (1.6 in)[2]
Loach catfish Aspidoras rochai 4 cm (1.6 in) maximum length[3] 21 - 25 degrees Celsius[3] 6.0-7.5[3]
Sixray corydoras, false corydoras Aspidoras pauciradiatus 2.9 cm (1.1 in)[4] 73–82 °F (23–28 °C) 6.0-7.2[4]
Britski's catfish Brochis britskii 8.9 cm (3.5 in) Brochis is often synonymized with Corydoras. 20–24 °C (68–75 °F) 6.5-7.2[5]
Emerald catfish Brochis splendens 10 cm (3.9 in) Brochis is often synonymized with Corydoras. 70–82 °F (21–28 °C) 5.8-8.0[6]
Hognosed brochis Brochis multiradiatus 6.6 cm (2.6 in) Brochis is often synonymized with Corydoras.
Cascarudo Callichthys callichthys 20 cm (7.9 in)
Adolfo's catfish/corydoras Corydoras adolfoi 5.7 cm (2.2 in) 72–79 °F (22–26 °C) 6.0-7.0
Banded corydoras Scleromystax barbatus 10 cm (3.9 in)
Masked corydoras, bandit corydoras Corydoras metae 4.8 cm (1.9 in) 72–79 °F (22–26 °C) 6.0-7.0
Barred-tail corydoras Corydoras cochui 2.5 cm (0.98 in)
Blackstripe corydoras Corydoras bondi 4.7 cm (1.9 in)
Blacktop corydoras Corydoras acutus 4.4 cm (1.7 in)
Blue corydoras Corydoras nattereri 5.4 cm (2.1 in)
Bluespotted corydoras Corydoras melanistius 5.1 cm (2.0 in)
Bronze corydoras, Emerald green cory Corydoras aeneus Extremely common. 6.35 cm (2.50 in) The albino strain of C. aeneus is common among aquarists. 77 °F to 82 ° (25 °C to 28 °C)
Caracha Corydoras atropersonatus 4.5 cm (1.8 in)
Ehrhardt's corydoras Corydoras ehrhardti 4.1 cm (1.6 in)
Evelyn's cory Corydoras evelynae 4 cm (1.6 in)
Corydoras geoffroy 7 cm (2.8 in)
Corydoras latus 5.2 cm (2.0 in)
Loxozonus cory Corydoras loxozonus 4.9 cm (1.9 in)
Corydoras nain Corydoras nanus 4.5 cm (1.8 in)
Long nosed arched cory Corydoras narcissus 6.5 cm (2.6 in)
Corydoras ornatus 4.9 cm (1.9 in)
Corydoras osteocarus 4 cm (1.6 in)
Corydoras polystictus 3.2 cm (1.3 in)
Scleromystax prionotos 5.3 cm (2.1 in)
Corydoras semiaquilus 6.0 cm (2.4 in)
Corydoras septentrionalis 4.9 cm (1.9 in)
Corydoras simulatus 4.9 cm (1.9 in)
Corydoras undulatus 4.4 cm (1.7 in)
Dwarf corydoras Corydoras hastatus 3.5 cm (1.4 in)
Elegant corydoras Corydoras elegans 5.1 cm (2.0 in)
False network catfish Corydoras sodalis 4.9 cm (1.9 in)
False spotted catfish Corydoras leucomelas 4.5 cm (1.8 in)
Gold laser cory Corydoras melanotaenia 5.8 cm (2.3 in)
Guapore corydoras Corydoras guapore 4.1 cm (1.6 in)
Mosaic corydoras, reticulated corydoras Corydoras haraldschultzi 5.9 cm (2.3 in)[7]
Mosaic corydoras, reticulated corydoras Corydoras reticulatus 5.1–6.1 cm (2.0–2.4 in)
Panda corydoras Corydoras panda 3.8–5.1 cm (1.5–2.0 in) 6.0-8.0[8]
Pastaza corydoras Corydoras pastazensis 6.4–7.1 cm (2.5–2.8 in)
Peppered corydoras, salt and pepper catfish Corydoras paleatus 5.1–7.6 cm (2.0–3.0 in)
Pink corydoras Corydoras axelrodi 4–5 cm (1.5–2 in)
Pygmy corydoras Corydoras pygmaeus 2.5–3.3 cm (0.98–1.30 in)
Sailfin corydoras Scleromystax macropterus
Salt and pepper catfish/corydoras Corydoras habrosus 2.5–3.6 cm (0.98–1.42 in)
Schwartz's catfish Corydoras schwartzi 3.8–5.1 cm (1.5–2.0 in)
Spotted corydoras, longnose corydoras Corydoras ambiacus 5.1–6.1 cm (2.0–2.4 in)
Sterba's corydoras Corydoras sterbai 6.8 cm (2.7 in)[9]
Sychr's catfish Corydoras sychri
Tailspot corydoras Corydoras caudimaculatus 4–5 cm (1.5–2 in)
Threestripe corydoras, leopard catfish, false julii cory Corydoras trilineatus 6.1 cm (2.4 in)[10]
Xingu corydoras Corydoras xinguensis 3.8–5.1 cm (1.5–2.0 in)
Julii corydoras Corydoras julii 5.1–6.4 cm (2.0–2.5 in)
Flagtail catfish Dianema urostriatum
12.5 cm

(4.9 in)

Originated from the Amazon Basin. 77° – 82 °F

(25° – 28 °C)

6.0-8.0
Armored suckermouth catfish (plecos)
Common name Taxonomy Image Size Remarks Temperature range pH range
Bristlenose pleco, bushynose pleco Ancistrus spp. 13 cm (5 in)[11] The bristlenose genus has at least 59 identified species and many others yet to be named. Males and female both have long "bristles" on their nose, the males having distinctly longer ones. 72-84 F (20-27 C) |
Gold nugget pleco Baryancistrus spp. Many species of this fish exist, but are not yet officially identified; the three common aquarium species are known as L-018, L-081, and L-177. 77-86 F (25-30 C) |
Whiptail catfish Rineloricaria spp. 20 species
Twig catfish Farlowella spp. at least 20 species
Panaque Panaque spp. Several species of panaque are popular aquarium fish.
Pineapple pleco, orange cheek pleco Pseudorinelepis spp. four species
Common pleco, suckermouth catfish, Amazon sailfin catfish Pterygoplichthys pardalis 16 cm (6.3 in) One of the several fish sold under this name; there is also an albino variation.
Common pleco, suckermouth catfish Hypostomus punctatus One of the several fish sold under this name.
Common pleco, suckermouth catfish Hypostomus plecostomus 50 cm (20 in) One of the several fish sold under this name.
Leopard sailfin pleco, clown sailfin pleco Pterygoplichthys gibbiceps Other related fish also share this common name.
Zebra pleco, L-046 Hypancistrus zebra 3-5 in One of the most popular Hypancistrus species.
Sailfin catfish Pterygoplichthys multiradiatus
Golden dwarf sucker, golden oto Macrotocinclus affinis 5 cm (2 in) A peaceful algae eater. Keep in groups of 3 or more. 6+ being the preferred size.
Zebra dwarf sucker, zebra oto Otocinclus cocama
Long-whiskered catfish
Common name Taxonomy Image Size Remarks Temperature range pH range
Bolt catfish Aguarunichthys torosus 35 cm (14 in)
Gold Zebra catfish Brachyplatystoma juruense 60 cm (24 in)
Zebra shovelnose Brachyplatystoma tigrinum 60 cm (24 in)
Vulture Catfish, zamurito Calophysus macropterus 40 cm (16 in)
Leiarius marmoratus 100 cm (39 in)
Leiarius pictus 60 cm (24 in)
Redtail catfish Phractocephalus hemioliopterus 120 cm (3.9 ft) Needs at least a 2,600 US gallons (9,800 L) tank when mature, even though this does not provide them with the space to show their natural behaviour.[12] 70–79 °F (21–26 °C)[12] 6.0–7.5[12]
Spotted pimelodus, pictus, pictus catfish Pimelodus pictus 30 cm (12 in) These catfish are very appealing when small, but may grow somewhat large. Their mouths look small, but may eat smaller fish, as they can open their mouths very wide.
Ornate Pimelodus Pimelodus ornatus 38.5 cm (1.26 ft)
Sturgeon catfish Platystomatichthys sturio 40 cm (1.3 ft)
Barred sorubim Pseudoplatystoma fasciatum 104 cm (3.41 ft) Easy to confuse with P. tigrinum.
Tiger sorubim Pseudoplatystoma tigrinum 130 cm (4.3 ft) This fish is easy to confuse with P. fasciatum.
Firewood catfish, (planiceps) shovelnose catfish Sorubimichthys planiceps 178 cm (70 in) The largest of the shovelnoses, this catfish grows huge and will need a 450 US gallons (1,700 L) min when mature.
Lima shovelnose catfish Sorubium lima 40 cm (1.3 ft) Smaller, Peaceful and when disturbed can shed a layer of mucus from its skin in order to distract would be predators
Squeakers and upside-down catfish
Common name Taxonomy Image Size Remarks Temperature range pH range
Cuckoo squeaker Synodontis multipunctatus 27.5 cm (10.8 in)
Decorated squeaker Synodontis decorus
Even-Spotted squeaker Synodontis petricola 10 cm (3.9 in)
Featherfin squeaker Synodontis eupterus
Lake Malawi syno Synodontis njassae
Polka dot syno Synodontis angelicus
Common syno, false upside-down catfish Synodontis nigrita
Upside-down catfish Synodontis nigriventris 9.6 cm (3.8 in) S. nigriventris prefers bottom feeding on Tubifex, but its main diet consists of algae.
Other catfishes
Common name Taxonomy Image Size Remarks Temperature range pH range
Three-striped African catfish Pareutropius buffei 11.5 cm (4.5 in)
Giraffe catfish Auchenoglanis occidentalis 70 cm (28 in)
Electric catfish Malapterurus electricus 122 cm (48 in)
Black lancer catfish Bagrichthys macracanthus 25 cm (9.8 in)
Harlequin lancer catfish Bagroides melapterus 30 cm (12 in)
Crystal-eyed catfish Hemibagrus wyckii 71 cm (28 in) highly aggressive and must be kept alone
Asian redtail catfish Hemibagrus wyckioides 130 cm (51 in) highly aggressive and must be kept alone
Shadow catfish Hyalobagrus flavus 4.5 cm (1.8 in)
Mystus bimaculatus 6.5 cm (2.6 in)
Dwarf bumblebee catfish Pseudomystus leiacanthus 6 cm (2.4 in)
Asian bumblebee catfish Pseudomystus siamensis 15 cm (5.9 in)
Dinema catfish Belodontichthys dinema 100 cm (39 in).
Glass catfish Kryptopterus vitreolus 8 cm (3.1 in). Needs to be kept in a group of five or more. Needs generous amounts of plants.
Striped glass catfish Kryptopterus macrocephalus 10 cm (3.9 in). Needs to be kept in a group of five or more. Needs generous amounts of plants.
Borneo glass catfish Ompok eugeneiatus 16.5 cm (6.5 in).
Striped wallago catfish Wallago leerii 150 cm (59 in).
Chocolate frogmouth catfish Chaca bankanensis 20 cm (7.9 in)
Asian banjo catfish Acrochordonichthys rugosus 11 cm (4.3 in)
Walking catfish Clarias batrachus 50 cm (19.5 in) The albino form is common in the aquarium trade. This fish can survive out of the water and "walk" as long as kept wet, for a very long time. It is a dangerouly invasive species and should never be released or thrown out alive.
Stinging catfish Heteropneustes fossilis 30 cm (12 in)
Sun catfish Horabagrus brachysoma 45 cm (18 in)
Iridescent shark Pangasianodon hypophthalmus 130 cm (51 in) Albino form is common in the aquarium trade, needs a large aquarium
Chao Phraya giant shark, giant pangasius Pangasius sanitwongsei 300 cm (120 in)
Colombian shark catfish Ariopsis seemanni 35 cm (14 in)
Blue whale catfish Cetopsis coecutiens 27 cm (11 in)
Banjo catfish Bunocephalus coracoideus 14 cm (5.5 in)
Striped raphael catfish Platydoras armatulus 43 cm (17 in)
Spotted raphael catfish Agamyxis pectinifrons 15 cm (5.9 in) This species mainly feeds on algae. It needs a cave, and will feed when the aquarium light is out.
Bottlenose catfish Ageneiosus marmoratus 18.5 cm (7.3 in)
Gulper catfish Asterophysus batrachus 25 cm (9.8 in)
Midnight catfish Auchenipterichthys coracoideus 10 cm (3.9 in)
Oil catfish Centromochlus perugiae 5 cm (2.0 in)
Jaguar catfish Liosomadoras oncinus 17 cm (6.7 in)
Pygmy driftwood catfish Trachelyichthys exilis 8 cm (3.1 in)
Trachelyopterus fisheri 28 cm (11 in)

Characins and other characiformes

Tetras
Common name Taxonomy Image Size Remarks Temperature range pH range
Black phantom tetra Hyphessobrycon megalopterus 3.6 cm (1.4 in)[13] the black phantom tetra enjoy being in groups of 6 or more and a slightly shaded tank. Males may claim small territories and occasionally minor battles may occur. The Phantom tetra goes well with other tetras of similar size. They also prefer floating plants.
Black neon tetra Hyphessobrycon herbertaxelrodi 3.2 cm (1.3 in)[14] This fish is similar to the neon tetra other than coloration.
Black tetra, skirt tetra Gymnocorymbus ternetzi 5 cm (2.0 in) A highly spirited fish that may occasionally chase its own species as well as harass slow moving fish with long fins. This fish is very hardy and can stand a variety of water qualities. Disease is not a big problem with the black tetra. The black tetra is also known as the black skirt tetra. The female black tetra is more robust and larger than the male.
Bleeding heart tetra Hyphessobrycon erythrostigma 6.5 cm (2.6 in) The bleeding heart tetra is distinguished by the small red spot on both sides of the fish. This fish is very prone to diseases, and can grow larger than most tetra species.
Bloodfin tetra Aphyocharax anisitsi 5 cm (2.0 in) The bloodfin tetra is distinguished by its red fins. This fish is generally peaceful. It will school with similarly sized and tempered fish.
Blue tetra Knodus borki 5 cm (2.0 in) A very active species. In spite of its small size, it requires a larger tank (30"/29 gal or more)
Bucktooth tetra Exodon paradoxus 5 cm (2.0 in) Exodon paradoxus will eat smaller fish and harass larger fish, lepidophage (scale eater).
Buenos Aires tetra Hyphessobrycon anisitsi 7.5 cm (3.0 in) Hyphessobrycon anisitsi has some reputation as a "fin nipper" but this trend may vary among individual fish.
Cardinal tetra Paracheirodon axelrodi 5 cm (2.0 in) Generally hardy and peaceful. Will breed in captivity. Prefers low light and somewhat higher temperatures than the neon tetra. A schooling species (keep in groups of 8-10)
Cave tetra, blind tetra Astyanax mexicanus 12 cm (4.7 in) The cave tetra is the blind cave form of the Mexican tetra. The blind cave tetra is easy to care for and is hardy. The fish is born with eyes, but they quickly deteriorate leaving behind two scars where the eyes once were. The blind tetra needs to be in a shoal in order to show peaceful behavior, and to prevent fin nipping. Despite their lack of eyes, the blind cave tetra can easily avoid other fish and obstacles in the tank. This tetra prefers low to moderate lighting.
Diamond tetra Moenkhausia pittieri 6 cm (2.4 in) Generally hardy and peaceful. Adults of both sexes develop spectacular reflective scales. Sexually dimorphic; males larger, with expanded dorsal fin.
Ember tetra Hyphessobrycon amandae 2 cm (0.79 in) A standard choice for "nano" tanks due to small adult size. Will not thrive with larger fish. A schooling species (keep in groups).
Emperor tetra Nematobrycon palmeri 5 cm (2.0 in) An active, shoaling species; keep in groups, but may be aggressive with members of the same species in smaller (under 40 gal) tanks.
Flame tetra Hyphessobrycon flammeus 2.5 cm (0.98 in)
Garnet tetra, pretty tetra Hemigrammus pulcher 6.5 cm (2.6 in)
Glass bloodfin tetra Prionobrama filigera 6 cm (2.4 in)
Glowlight tetra Hemigrammus erythrozonus 3.75 cm (1.48 in) Generally hardy and peaceful; considered a standard choice for less experienced aquarists.
Golden pristella tetra Pristella maxillaris 5 cm (2.0 in)
Green neon tetra Paracheirodon simulans 2.5 cm (0.98 in) Similar to neon tetra in care, size, and behavior but fish sold in pet stores are wild-caught. Does not usually breed in captivity. Needs good water quality, prefers low light. A schooling species (keep in groups).
Head and tail light tetra Hemigrammus ocellifer 4 cm (1.6 in)
January tetra Hemigrammus hyanuary 4 cm (1.6 in)
Lemon tetra Hyphessobrycon pulchripinnis 5 cm (2.0 in) Very likely to jump out of the tank unless there are some floating aquatic plants
Neon tetra Paracheirodon innesi 3.75 cm (1.48 in) The neon tetra is sensitive towards water quality. Bred in captivity but often badly inbred, making them less hardy and susceptible to diseases. However, the fish is very peaceful and will not attack another member of the tank. Females are larger than males. Due to their small size, the neon tetra should not be kept with large or aggressive fish. The neon tetra is a schooling fish that feels most comfortable when in groups.
Ornate tetra Hyphessobrycon bentosi 4.5 cm (1.8 in)
Penguin tetra, blackline penguinfish Thayeria boehlkei 6.5 cm (2.6 in)
Red Eye tetra Moenkhausia sanctaefilomenae 4 cm (1.6 in)
Red phantom tetra Hyphessobrycon sweglesi 4.5 cm (1.8 in)
Rosy tetra Hyphessobrycon rosaceus 4 cm (1.6 in)
Royal tetra Inpaichthys kerri 3.5 cm (1.4 in) Possesses an adipose fin allowing it to be differentiated from the Emperor tetra [15]
Rummy-nose tetra Hemigrammus rhodostomus 5 cm (2.0 in) This common name is used for three different species of schooling fish with similar patterns: Hemigrammus rhodostomus, Hemigrammus bleheri, and Petitella georgiae.
Splash tetra Copella arnoldi 5.5 cm (2.2 in) Active, sensitive to water quality, prefers moving water. Lives near top of tank. Breeding pairs leap to deposit eggs on overhanging leaves; may jump out of uncovered tanks. A schooling species.
Serpae tetra Hyphessobrycon serpae 4.5 cm (1.8 in) This fish may nip the fins of slow-moving fish or fish smaller than it. It is best put with other large tetras or with fish of similar size or larger.
Silvertip tetra Hasemania nana 3 cm (1.2 in) Silvertip tetras tend to be moderately aggressive and, because of their small size, should not be kept with large or aggressive fish.
X-ray tetra Pristella maxillaris 4.5 cm (1.8 in) Also just called the X-ray fish.
Congo tetra Phenacogrammus interruptus 7.5 cm (3.0 in) Sufficiently peaceful for larger (40 gal+) home aquariums, though it may bite fishes smaller than its size. It is more comfortable in indirect light. Over-head lighting is preferred and under no circumstances should light be directed at the front or rear glass.
Jellybean tetra Ladigesia roloffi 3 cm (1.2 in) Smaller even than the neon tetra. This mid west African schooling species is a favoured species for the nano-aquarium.
Long-fin tetra Brycinus longipinnis 12.5 cm (4.9 in)
Niger tetra Arnoldichthys spilopterus 10 cm (3.9 in)
Yellow-tailed Congo tetra Alestopetersius caudalis 6 cm (2.4 in)
Hatchetfish
Common name Taxonomy Image Size Remarks Temperature range pH range
Common hatchetfish Gasteropelecus sternicla 4 cm (1.6 in)
Marbled hatchetfish Carnegiella strigata 5 cm (2.0 in) Peaceful and dwells at the top of the tank in schools. Rarely breeds in captivity. This powerful leaper can easily jump out of an aquarium, so keep only in a fully covered tank.
Black-winged hatchetfish Carnegiella marthae 4 cm (1.6 in) Peaceful and dwells at the top of the tank in schools. The most hardy of all the hatchetfish, but not the most plentiful. Does not breed in captivity. This powerful leaper can easily jump out of an aquarium, so keep only in a fully covered tank.
Pencil fishes
Common name Taxonomy Image Size Remarks Temperature range pH range
Golden pencilfish Nannostomus beckfordi 6 cm (2.4 in) Hardiest, easiest-care species of aquarium pencilfish. Populations vary in color and pattern. Like all pencilfish, it is timid, eats small foods, enjoys live/frozen foods, can be bred in captivity, and cannot compete with aggressive fish. Like all pencilfish, males may be aggressive with each other if the tank or the group of pencilfish is too small.
Hockeystick pencilfish Nannostomus eques 3.5 cm (1.4 in) Naturally swims and rests at a 45-degree angle.
Barred pencilfish Nannostomus espei 3 cm (1.2 in) Other pencilfish adopt this barred pattern while inactive at night; only N. espei has it at all times.
Dwarf pencilfish Nannostomus marginatus 2.5 cm (0.98 in) Less aggressive with members of its own species than most pencilfish; males rarely spar.
Coral-red pencilfish Nannostomus mortenthaleri 3 cm (1.2 in) More aggressive with members of its own species than most pencilfish. Keep in larger groups in larger tanks to diffuse aggression.
Nannostomus nigrotaeniatus 3 cm (1.2 in)
Three-lined pencilfish Nannostomus trifasciatus 3 cm (1.2 in) Males defend small territories. Otherwise a peaceful species.
One-lined Pencilfish Nannostomus unifasciatus 4 cm (1.6 in) Naturally swims and rests at a 45-degree angle.
Serrasalminae (pacus, piranhas, and silver dollars)
Common name Taxonomy Image Size Remarks Temperature range pH range
Silver dollar Metynnis argenteus 15 cm (5.9 in) The name "silver dollar" may also refer to Metynnis hypsauchen, Metynnis maculatus, or other related fishes. It will chew and eat plants.
Red-bellied pacu Colossoma bidens 120 cm (3.9 ft) The red-bellied pacu is a close relative of the piranhas, but without the sharp teeth and the aggression. However, care should be taken if interacting physically with the pacu, as their powerful jaws can crush human bone. The pacu is a peaceful fish that requires at least a 750-liter (200-gallon) tank when fully mature. It is omnivorous and can be put with large cichlids, but avoid smaller fish. Despite their similar appearance to piranhas, the pacu is not suited to eat meat very well, as their natural diets of nuts suggest. This fish can grow to 1.2 m (3.9 ft), so need a very large tank (750 l or 200 gal minimum). This fish grows very fast, and can grow as much as one foot in the first year. 78–82 °F (26–28 °C)
Red piranha Pygocentrus nattereri 33 cm (13 in) Be very careful when conducting maintenance on their aquarium and hide any wires because they may chew through the waterproof coverings.
Disk tetra Myleus schomburgkii 40 cm (16 in) 23 °C to 27 °C 5.0–7.0
Other Characins
Common name Taxonomy Image Size Remarks Temperature range pH range
African pike characin Hepsetus odoe
Goliath tigerfish Hydrocynus goliath 133 cm (52 in)
Hujeta gar Ctenolucius hujeta 25 cm (9.8 in)
Kissing prochilodus, flagtail Prochilodus Semaprochilodus insignis 27.5 cm (10.8 in)
Marbled headstander Abramites hypselonotus 14 cm (5.5 in)[16] Keep either one headstander or a group of seven or more as they will fight amongst themselves in small groups.
Banded leporinus Leporinus fasciatus 27 cm (11 in)
Striped headstander Anostomus anostomus 16 cm (6.3 in)
Six-banded distichodus Distichodus sexfasciatus 75 cm (30 in)
Payara Hydrolycus scomberoides 117 cm (46 in) Need a large aquarium and are entirely carnivorous and most fish shouldn't be kept with them, including the related piranha because it may eat piranhas.
Pink-tail chalceus Chalceus macrolepidotus 25 cm (9.8 in)
Red wolf fish Erythrinus erythrinus 20 cm (7.9 in)
Red tail barracuda Acestrorhynchus falcatus 30 cm (12 in)
Spotted headstander Chilodus punctatus 8 cm (3.1 in)

Cichlids

Lake Malawi cichlids
Common name Taxonomy Image Size Remarks Temperature range pH range
Sunshine peacock cichlid Aulonocara baenschi 15 cm (5.9 in) Beautiful coloration on males
Pale usisya aulonocara Aulonocara steveni
Red fin hap Copadichromis borleyi
Eureka red peacock Aulonocara jacobfreibergi 15 cm (5.9 in) Beautiful coloration on males
Spilo Champsochromis spilorhynchus 40 cm (16 in)
Blue dolphin cichlid, lumphead cichlid Cyrtocara moorii 25 cm (9.8 in)
Afra cichlid, dogtooth cichild Cynotilapia afra 10 cm (3.9 in)
Rusty cichlid, lavender cichild Iodotropheus sprengerae 10 cm (3.9 in)
Fuelleborn's cichlid, Blue mbuna Labeotropheus fuelleborni 18 cm (7.1 in)
Electric yellow cichlid Labidochromis caeruleus 20 cm (7.9 in) Very active fish, need many rock caves to allow establishment of territories, less aggressive than other mbuna
Electric blue cichlid Sciaenochromis fryeri
Malawi eyebiter Dimidiochromis compressiceps
Hongi, Red-top kimpumpa Labidochromis sp. "Hongi" 13 cm (5.1 in)
Yellow Top Mbamba Labidochromis sp. "Mbamba Bay" 13 cm (5.1 in)
Auratus cichlid, Malawi golden cichlid Melanochromis auratus 10 cm (3.9 in) Very Aggressive
Chipokee cichlid Melanochromis chipokae 12 cm (4.7 in) Aggressive
Blue johanni cichlid, Maingano Melanochromis cyaneorhabdos 10 cm (3.9 in) Very active fish, need many rock caves to allow establishment of territories. Aggressive
Pearl of Likoma Melanochromis joanjohnsonae 10 cm (3.9 in)
Aurora Melanochromis aurora 10 cm (3.9 in)
Red zebra cichlid Metriaclima estherae 10 cm (3.9 in) Very active fish, need many rock caves to allow establishment of territories
Cobalt blue cichlid, cobalt zebra cichlid Maylandia callainos 10 cm (3.9 in) Very active fish, need many rock caves to allow establishment of territories
Kenyi cichlid Maylandia lombardoi 13 cm (5.1 in) Aggressive; sexually dichromatic
Fusco Nimbochromis fuscotaeniatus 25 cm (9.8 in)
Livingston's cichlid Nimbochromis livingstonii 25 cm (9.8 in)
Kaligono Nimbochromis polystigma 30 cm (12 in)
Venustus cichlid, giraffe cichild Nimbochromis venustus 25 cm (9.8 in) 'giraffe' spotting is juvenile coloration only
Red empress cichlid Protomelas taeniolatus 15 cm (5.9 in)
Bumblebee cichlid, hornet cichlid Pseudotropheus crabro 15 cm (5.9 in)
Yellow-tail acei Pseudotropheus acei 10 cm (3.9 in)
Johanni cichlid Pseudotropheus johannii 10 cm (3.9 in) Aggressive
Dwarf Mbuna Pseudotropheus demasoni 10 cm (3.9 in)
Saulosi Pseudotropheus saulosi 7.5 cm (3.0 in)
Malawi barracuda Rhampsochromis cf. macrophthalmus 23 cm (9.1 in)
Tyrannochromis macrostoma 38 cm (15 in)
Lake Tanganyika cichlids
Common name Taxonomy Picture Size Remarks Temperature range pH range
Benthochromis tricoti
Boulengerochromis microlepis 90 cm (35 in) The largest cichlid
Frontosa cichild Cyphotilapia frontosa 40 cm (16 in) Aggressive; well-known
Cyathopharynx furcifer Not readily available in the aquarium trade.
Variabilichromis moorii
Frontosa cichild Cyphotilapia gibberosa 40 cm (16 in) The frontosa have recently been broken up into three separate species. The gibberosa come from the southern part of the Lake
Frontosa cichild Cyphotilapia sp. "North" 40 cm (16 in) This yet to be officially named species is intermediate in scale count between gibberosa and frontosa.
Julie cichlid Julidochromis dickfeldi Beautiful; interesting
Masked Julie Julidochromis marlieri 15 cm (5.9 in) fem / 10 cm (3.9 in) male Striking coloration
Julie cichlid Julidochromis ornatus
Julie cichlid Julidochromis regani 15 cm (5.9 in) fem / 10 cm (3.9 in) male
Julie cichlid Julidochromis transcriptus 10 cm (3.9 in) Striking coloration
Herring cichlid, sardine cichlid Cyprichromis leptosoma
Ectodus descampsii
Chalinochromis spp.
Neolamprologus multifasciatus 3.8 cm (1.5 in) A small shell-dwelling cichlid from Lake Tanganyika. Distinguished from the similar L. similis by the lack of striping on the face. One of the best choices for first-time cichlid keepers and smaller aquaria.
Lamprologus ocellatus 5 cm (2.0 in)
Neolamprologus similis 3.8 cm (1.5 in) A small shell-dwelling cichlid from Lake Tanganyika. Very similar to N. multifsciatus but similis has striping from the body continue to the head
Lobochilotes labiatus 40 cm (16 in)
Lyretail cichlid, fairy cichlid Neolamprologus brichardi 10 cm (3.9 in) Often recommended for first-time cichlid keepers. Needs somewhat more space than N. multifasciatus
Lemon cichlid Neolamprologus leleupi 11.5 cm (4.5 in)
Featherfin Ophthalmotilapia ventralis 15 cm (5.9 in)
Petrochromis trewavasae 20 cm (7.9 in) Aggressive
Simochromis pleurospilus 10 cm (3.9 in)
Tropheus duboisi 13 cm (5.1 in) Males very aggressive; juveniles distinctively colored
Tropheus moorii 14 cm (5.5 in)
Tropheus polli 14 cm (5.5 in)
Lake Victoria cichlids
Common name Taxonomy Picture Size Remarks Temperature range pH range
Astatotilapia aenocolor 13 cm (5.1 in)
Astatotilapia elegans 10 cm (3.9 in)
Zebra obliquidens Astatotilapia latifasciata 11.5 cm (4.5 in)
Astatotilapia nubila 11.5 cm (4.5 in)
Astatotilapia piceatus 10 cm (3.9 in)
Astatotilapia schubotziellus 10 cm (3.9 in)
Astatotilapia sp. "Red Tail" 11.5 cm (4.5 in)
Astatotilapia sp. "Spot Bar" 13 cm (5.1 in)
Allauad's haplo Astatoreochromis alluaudi
Hippo Point Salmon Ptyochromis sp. "Hippo Point Salmon" 14 cm (5.5 in)
Flameback Pundamilia nyererei 10 cm (3.9 in)
Xystichromis phytophagus 10 cm (3.9 in)
Miscellaneous African cichlids (non-Rift Lake)
Common name Taxonomy Picture Size Remarks Temperature range pH range
African butterfly cichlid Anomalochromis thomasi
Jewel cichlid, two-spotted jewel cichlid Hemichromis bimaculatus 4-5 inch other hemichromis species are sometimes sold under the same name
Lionhead cichlid Steatocranus casuarius
Lifalili jewel cichlid, blood-red jewel cichlid Hemichromis lifalili
Kribensis, krib Pelvicachromis pulcher Readily breed in small aquaria. Often recommended for smaller tanks and first-time cichlid keepers. Aggressive and territorial towards other fishes especially its own kind during mating and after spawning
Kribensis, krib, many common names because of many subspecies Pelvicachromis taeniatus
Guenther's Mouthbrooder Chromidotilapia guentheri
Dwarf cichlids (apistogrammas, rams and others)
Common name Taxonomy Picture Size Remarks Temperature range pH range
Agassiz's dwarf cichlid Apistogramma agassizii
Zebra acara Nannacara adoketa This genus (often represented by N. anomala, the golden dwarf cichlid) is often recommended as one of the best cichlids for new cichlid keepers and smaller aquaria.
Yellow dwarf cichlid Apistogramma borellii
Cockatoo dwarf cichlid Apistogramma cacatuoides
Panda dwarf cichlid Apistogramma nijsseni
Three-Stripe Dwarf Cichlid Apistogramma trifasciata
Apistogramma eremnopyge
Two-Stripe Dwarf Cichlid Apistogramma bitaeniata 7.5 cm (3.0 in)
Checkerboard Cichlid Dicrossus filamentosus
Blue ram, German ram Mikrogeophagus ramirezi Fairly common. Sensitive to water quality. Several color morphs available. Has been highly inbred in the aquarium trade and often shows poor hardiness.
Bolivian ram Mikrogeophagus altispinosa
Dwarf flag cichlid Laetacara curviceps
Central American cichlids
Common name Taxonomy Picture Size Remarks Temperature range pH range
Midas cichild, red devil cichlid Amphilophus citrinellus Note that Amphilophus labiatus is also called red devil cichlid
Poor man's tropheus Hypsophrys nematopus
Red devil cichlid Amphilophus labiatus Note that Amphilophus citrinellus is also called red devil cichlid
Firemouth cichlid Cichlasoma meeki Typically medium aggression; easily bred
Jack Dempsey cichlid Rocio octofasciata
Jaguar cichlid, managuense cichlid Parachromis managuensis Exceptionally beautiful adult coloration; large adult size
Mayan cichlid Mayaheros urophthalmus
Convict cichlid Archocentrus nigrofasciatus Common, very easy to breed, aggressive. A beautiful fish with bad temper. Small variations in colors, can be found in almost completely black and white coloration - therefore the name "Convict"
T-bar cichlid Amatitlania sajica align="center"
Wolf cichlid Parachromis dovii
Texas cichlid, Rio Grande cichlid Herichthys cyanoguttatus Large adult size
South American cichlids
Common name Taxonomy Picture Size Remarks Temperature range pH range
Severum Heros efasciatus the gold variety is more common than the natural green one
Green terror Andinoacara rivulatus Fairly common
Blue acara Andinoacara pulcher
Thread-finned acara Acarichthys heckelii
Eartheater cichlid Geophagus altifrons
Greenstreaked Eartheater, cupid cichlid Biotodoma cupido
Keyhole cichlid Cleithracara maronii
Flag cichlid Mesonauta festivus
Angelfish Pterophyllum scalare 15 cm (5.9 in) several color varieties; this species is the common angelfish in the aquarium trade. Angelfish can grow up to fifteen centimetres (six inches), and therefore should be housed in a large aquarium. Angelfish should be kept alone, or kept with three or more. This is because that if two are kept together, the larger fish will pick on the smaller fish. Angelfish are not as hardy as other cichlids and should not be kept with small fish such as neon tetras. However, just the opposite is true: Angelfish should not be kept with fish that may nip and annoy it such as some large tetras. They are good fish for beginners but only if you pay attention to their tankmates and temperaments. They work well with other fish but should be kept in a school of 3 or more if you want more than 1.
Altum angelfish Pterophyllum altum
Spotted angelfish Pterophyllum leopoldi
Common discus, red discus Symphysodon discus 20 cm (7.9 in) various color varieties, the discus requires high water quality and a varied diet. Do not keep with fast fish as the discus is a slow eater and will not fight for food. Despite their beauty, the discus is one of the least hardy aquarium fishes available. This fish should only be kept by the experienced aquarium keeper.
Blue discus, green discus Symphysodon aequifasciatus 20 cm (7.9 in) fancy hybrids of this species and Symphysodon discus can also be found in trade
Chocolate cichlid Hypselecara temporalis
Oscar Astronotus ocellatus 45 cm (18 in) has different varieties including long-fin, albino, golden, etc. The oscar cichlid is fast growing and can grow to a very large size when mature, and therefore should be housed in a large aquarium. The oscar can be messy to look after as they love to dig up plants and scoop up rocks. The oscar should be put with fish of similar size as they will eat any fish that can fit in their mouth. The oscar prefers to be with members of its own species, but this is not a necessity for its well being. The oscar is one of the more hardy cichlids, and can be put with other large cichlids, pacus, large plecos, large sharks, and other large fish.
Uaru, waroo Uaru amphiacanthoides Also known as the Triangle Ciclid.
Peacock bass, butterfly peacock bass Cichla orinocensis
Other cichlids
Common name Taxonomy Picture Size Remarks Temperature range pH range
Canara pearlspot Etroplus canarensis
Green chromide Etroplus suratensis
Orange chromide Etroplus maculatus
Pinstripe damba Paretroplus menarambo
Blood parrot cichlid - Hybrid - In the scientific community it is not considered a cichlid (or any species of fish) because it does not occur naturally in the wild (created by man), for this reason it will not be given a scientific name.
Flowerhorn cichlid - Hybrid - 25 cm (9.8 in) In the scientific community it is not considered a cichlid (or any species of fish) because it does not occur naturally in the wild (created by man), for this reason it will not be given a scientific name. This is also an aggressive fish and does best in a species-only setup.

Cyprinids

Barbs
Common name Taxonomy Picture Size Remarks Temperature range pH range
Arulius barb Dawkinsia arulius 12 cm (4.7 in)
Bigspot barb, Duncker's barb Barbodes dunckeri 13 cm (5.1 in) Peaceful when small but should not be kept with other species at adulthood.
Black ruby barb Pethia nigrofasciatus 6.5 cm (2.6 in)
Cherry barb Puntius titteya 4.8 cm (1.9 in) very peaceful and hardy, and works well with white clouds and neon tetras. Long-finned and extra red morphs are available. Wild type females are larger and much less red than males.
Clipper barb Enteromius callipterus 7.5 cm (3.0 in)
Clown barb Barbodes everetti 15 cm (5.9 in)
Denison's barb, red line torpedo barb Sahyadria denisonii 15 cm (5.9 in) Sensitive to water quality.
Gold barb Barbodes semifasciolatus 8 cm (3.1 in) One of the most common fish for new aquarists. Very hardy, breeds in captivity, tolerates small tanks. The wild type of this species is greenish-gray and rarely seen for sale.
Golden barb Pethia gelius 5 cm (2.0 in)
Greenstripe barb Puntius vittatus 5 cm (2.0 in)
Indian Glass Barb Laubuka laubuca 6.7 cm (2.6 in)
Melon barb Puntius fasciatus 15 cm (5.9 in)
Odessa barb Puntius padamya 8 cm (3.1 in) Bright red coloration on males; females are slightly larger and show less red. Hardy and tolerant. Like most barbs, needs a diet with some vegetable food or algae.
Onespot barb Puntius terio 15 cm (5.9 in)
Panda barb Puntius fasciatus 5 inches
Pool barb Puntius sophore 18 cm (7.1 in)
Partipentazona barb Puntigrus partipentazona 3.8 cm (1.5 in)
Rosy barb Pethia conchonius 13 cm (5.1 in) Similar to odessa barb but requires somewhat more space. A "neon" form is available; both males and females are bright red.
Shortfin barb Barbus brevipinnis 4.6 cm (1.8 in)
Snakeskin barb Desmopuntius rhomboocellatus 3.5 inches
Spottedsail barb, dwarf barb Pethia phutunio 7.8 cm (3.1 in)
Swamp barb Puntius chola 15 cm (5.9 in)
Ticto barb Barbus ticto 10 cm (3.9 in)
Tic-tac-toe barb Puntius stoliczkanus 5 cm (2.0 in)
Tiger barb, sumatra barb Puntius tetrazona 7.5 cm (3.0 in) There are many varieties as well as hybrids with other barbs. Good community schooling fish. Can be aggressive if kept in small numbers, aim for a group of 6 or more.
Spanner barb, t-barb Barbodes lateristriga 20 cm (7.9 in)
Fiveband barb, pentazona barb Desmopuntius hexazona 5 cm (2.0 in) this species may be confused with tiger barb due to similarities
Checker barb Oliotius oligolepis 5 cm (2.0 in)
Tinfoil barb Barbonymus schwanenfeldii 36 cm (14 in) This species is much larger than most other barbs
Other cyprinids
Common name Taxonomy Picture Size Remarks Temperature range pH range
Bala shark Balantiocheilus melanopterus 40 cm (16 in)
Black shark Labeo chrysophekadion 90 cm (35 in)
Siamese algae eater Crossocheilus oblongus 16 cm (6.3 in) Many other cyprinids are sometimes mistakenly sold under this name. Very likely to jump out of the aquarium especially after reaching adult size. Very useful for getting rid of algae when it is young but prefer fish food upon reaching adulthood.
Flying fox (fish) Epalzeorhynchos kalopterus 16 cm (6.3 in) this species may be sold as Siamese algae eater
Red-tailed black shark Epalzeorhynchos bicolor 6 in albino variation available. aggressive with fish of same species. best kept alone or in groups of 5 or more.
Rainbow shark Epalzeorhynchos frenatum 6 in albino variation available. aggressive with other fish of same species. best kept either alone, or in groups of 5 or more individuals.
Cambodian log sucker, false Siamese algae eater Garra cambodgiensis this species may be sold as Siamese algae eater
Chinese algae eater Gyrinocheilus aymonieri This species may be sold as Siamese algae eater. A gold colored form also exists. Could be territorial
Rasboras
Common name Taxonomy Picture Size Remarks Temperature range pH range
Espei rasbora Trigonostigma espei 5 cm (2.0 in)
Harlequin rasbora Trigonostigma heteromorpha 5 cm (2.0 in) Also known as Harlequin tetra or Harlequin barb.
Glowlight rasbora Trigonostigma hengeli 5 cm (2.0 in) 5 cm (2.0 in)
Red-striped rasbora Trigonopoma pauciperforata 7.5 cm (3.0 in) Range: Sumatra 22–29 °C (72–84 °F)
Dwarf rasbora Boraras maculatus 2.5 cm (0.98 in)
Eyespot rasbora Brevibora dorsiocellata 3.5 cm (1.4 in)
Brilliant rasbora Rasbora einthovenii 9 cm (3.5 in)
Clown rasbora Rasbora kalochroma 10 cm (3.9 in)
Scissortail rasbora Rasbora trilineata 15 cm (5.9 in)
Volcano rasbora Rasbora vulcanus 5 cm (2.0 in)
Blackline rasbora, red-tailed rasbora Rasbora borapetensis
Danios and other danionins
Common name Taxonomy Picture Size Remarks Temperature range pH range
Sundadanio axelrodi 2 cm (0.79 in)
Pearl danio Danio albolineatus 6.5 cm (2.6 in) subspecies:blue-redstripe danio, Kedah danio
Bengal danio, Sind danio Devario devario
Giant danio Devario aequipinnatus
Malabar danio Devario malabaricus 11.5–14 cm (4.5–5.5 in)
Queen danio Devario regina
Spotted danio Danio nigrofasciatus
Turquoise danio Danio kerri
Zebra danio Danio rerio 5 cm (2.0 in) there are many variations of this fish: leopard danio, the spotted colour morph, and GloFish, the genetically modified fluorescent fish.
Cold-water cyprinids
Common name Taxonomy Picture Size Remarks Temperature range pH range
Goldfish Carassius auratus 15+ cm (6+ in) variations: Black Moor, Bubble Eye, Butterfly Tail, Calico, Celestial Eye, Comet, Common, Fantail, Lionchu, Lionhead, Oranda, Panda Moor, Pearlscale, Pompom, Ranchu, Ryukin, Shubunkin, Telescope eye, Veiltail. All need a large tank or pond. Cannot survive in "goldfish bowls."
Koi, common carp Cyprinus carpio 30+ cm (12+ in) the fancy variations of common carp are known as koi.
Bitterling Rhodeus amarus 10 cm (4 in)
White Cloud Mountain minnow Tanichthys albonubes 3.8 cm (1.5 in) lutino variety can also be found in the aquarium trade
Red shiner Cyprinella lutrensis 5–9 cm (2.0–3.5 in)
Common dace Leuciscus leuciscus 40 cm (16 in) 39 to 72 °F (4 to 22 °C) 6.0 to 8.0
Rosy red minnow, fathead minnow Pimephales promelas 5–7.5 cm (2.0–3.0 in) sold as feeder fish; the gold variety known as "rosy red" is very common (the image is of the "rosy red" strain) 10–21 °C (50–70 °F) 7.0 - 7.5
Rainbow shiner Notropis chrosomus
European minnow Phoxinus phoxinus
Southern redbelly dace Phoxinus erythrogaster 7.5–10 cm (3.0–3.9 in)
Tench Tinca tinca A few color varieties have been made from the wild species, even some multicolored.
Golden orfe Leuciscus idus
Chinese high fin banded shark Myxocyprinus asiaticus 60 cm (24 in)
Loaches
Common name Taxonomy Picture Size Remarks Temperature range pH range
Saddle-back Loach Homaloptera orthogoniata 13 cm (5.1 in)
Fork-tailed loach Vaillantella maassi 12.5 cm (4.9 in) Rarely sold and not bred in captivity.
Horseface loach Acantopsis dialuzona 20 cm (7.9 in) May bury itself; keep on sand substrate.
Weather Loach[17] Misgurnus anguillicaudatus[18] 30 cm
Pangio anguillaris 12 cm (4.7 in)
Kuhli loach, coolie loach Pangio kuhlii 10 cm (3.9 in) a number of similar Pangio species are sold under the same name. All are hardy, peaceful, and highly social; keep in groups.
Java loach Pangio oblonga 8 cm (3.1 in)
Clown loach Chromobotia macracanthus 20 cm (7.9 in) Clown loach has a sociable personality and should be kept in at least groups of 5. They may eat pond snails kept in aquariums. Clown loaches will eventually need a 6' long aquarium
Green tiger loach Syncrossus hymenophysa 21 cm (8.3 in)
Banded tiger loach Syncrossus helodes 30 cm (12 in)
Redfin tiger loach Syncrossus berdmorei 15 cm (5.9 in)
Dwarf botia Ambastaia sidthimunki 5.5 cm (2.2 in) formerly named Botia sidthimunki. An active and peaceful social species (keep in groups) that often swims in mid-water.
Yoyo loach Botia almorhae 15 cm (5.9 in)
Bengal loach Botia dario 15 cm (5.9 in) Also known as the Queen loach. They hide during the day. They like river sand in the tank because they like to cover themselves in it.
Botia histrionica 12 cm (4.7 in)
Polka-Dot Loach Botia kubotai 12 cm (4.7 in)
Gangetic loach Botia rostrata 25 cm (9.8 in)
Zebra loach Botia striata 9 cm (3.5 in)
Redtail loach Yasuhikotakia modesta 25 cm (9.8 in)
Skunk loach Yasuhikotakia morleti 10 cm (3.9 in) formerly named Botia morleti
Yasuhikotakia splendida 10 cm (3.9 in)
Borneo hillstream loach Gastromyzon sp. 6–8 cm (2.4–3.1 in) Eats mainly algae. High oxygen level and water quality required in addition to a strong current
Tiger hillstream loach Sewellia lineolata 6 cm (2.4 in) Eats mainly algae. High oxygen level and water quality required in addition to a strong current
Butterfly hillstream loach Beaufortia kweichowensis 8 cm (3.1 in) Eats mainly algae. High oxygen level and water quality required in addition to a strong current

Live-bearers and killifish

Guppies and mollies
Common name Taxonomy Picture Size Remarks Temperature range pH range
Guppy Poecilia reticulata 5 cm (2.0 in) Many color and tail pattern varieties exist. They generally need a ratio of 1 male to 2 females or more. All guppies and mollies are hardy fish that tolerate lower oxygen levels and temperatures than most aquarium fish, give birth to live young, and readily breed in home tanks.
Endler's livebearer Poecilia wingei 3.8 cm (1.5 in) Several color varieties have been bred. Will crossbreed with P. reticulata and the wild type has become rare.
Black molly Poecilia sphenops 5 cm (2.0 in)
Sailfin molly Poecilia latipinna 5 cm (2.0 in) Gold and silver varieties commonly found; also thrive in brackish water
Dalmatian molly hybrid 5 cm (2.0 in) The dalmatian molly is a hybrid color variation that can be generated by crossing some species of Poecilia, like P. sphenops and P. latipinna. The variety "Dalmatian" is spotted alike to a Dalmatian dog.
Lyretail Molly Variety 5 cm (2.0 in) Lyretail Mollies are available in all of these species, can be cross bred with any species of Molly.
Platies and swordtails
Common name Taxonomy Picture Size Remarks Temperature range pH range
Southern platy Xiphophorus maculatus Many color varieties exist
Variable platy Xiphophorus variatus Sometimes called Feeder platy because can be used to feed larger fish like Stingrays, Payara, Cichlids, Pickerel, Catfish, Sunfish, Arowanas, Gar, Arapaima, and other predator fish. Many color varieties exist
Green swordtail Xiphophorus hellerii Many color varieties exist
Other Livebearers, like Gambusia
Common name Taxonomy Picture Size Remarks Temperature range pH range
Largescale four-eyed fish Anableps anableps
Pike topminnow Belonesox belizanus
Cuban lima Limia vittata
Knife livebearer Alfaro cultratus
Least killifish Heterandria formosa Not as common as other livebearers in the aquarium trade. One of the smallest fish in the world.
Tanganyika killifish Lamprichthys tanganicanus Not actually a type of killifish but a livebearer.
Norman's lampeye Poropanchax normani Not actually a type of killifish but a livebearer.
Celebes halfbeak Nomorhamphus liemi 8 cm (3.1 in) All halfbeaks are sensitive to changes in water quality or temperature, swim at the water surface, do not compete well with larger fish, and may jump out of uncovered tanks. Difficult to breed in captivity, most halfbeaks sold are wild-caught.
Wrestling halfbeak Dermogenys pusilla 5 cm (2.0 in) Used in its native Southeast Asia as a fighting fish; males spar with their elongated lower jaws but rarely harm each other.
Forest halfbeak Hemirhamphodon pogonognathus 10 cm (3.9 in)
Killifish
Common name Taxonomy Picture Size Remarks Temperature range pH range
Blue Lyretail Fundulopanchax gardneri 5 cm (2.0 in) Killifish of all species breed in captivity but are short-lived by nature; many species live for 1 year and breeding may be triggered by changes in water or temperature. They are best kept and bred in killifish-only aquaria.
Clown Killifish Epiplatys annulatus 3.5 cm (1.4 in)
Bluefin Notho, Rachow's Notho, Rainbow Notho Nothobranchius rachovii 6 cm (2.4 in) Considered most beautiful freshwater fish by some killifish enthusiasts.
Striped panchax, Golden Wonder Aplocheilus lineatus Golden Wonder is the more yellowish variant.
American Flagfish Jordanella floridae Native to SE United States
Argentine Pearl Austrolebias nigripinnis
Golden Toppminnow Fundulus chrysotus
Northern Studfish Fundulus catenatus
Red-seam Killifish Aphyosemion calliurum
Arabian Killifish Aphanius dispar

Labyrinth fish

Common name Taxonomy Picture Size Remarks Temperature range pH range
Dwarf gourami Trichogaster lalius 5 cm (2.0 in) Suitable for small to mid-sized aquariums but cannot compete with more aggressive fish and males kept together may fight. Several color varieties available. Massive inbreeding has led to high rates of Dwarf gourami iridovirus (DGIV) in pet store fish.[19] Beautiful but short-lived at best.
Paradise fish Macropodus opercularis 7.5 cm (3.0 in) One of the few freshwater aquarium fish that survive in cold water. Can live without aeration. Most common variety is the Blue Paradise.
Pygmy gourami, Sparkling gourami Trichopsis pumila 3.8 cm (1.5 in) Often confused with the croaking gourami. Does not compete well with larger fish. Hunts and eats small shrimp.
Moonlight gourami Trichopodus microlepis 15 cm (5.9 in)
Snakeskin gourami Trichopodus pectoralis 20 cm (7.9 in)
Siamese fighting fish (sometimes Betta, esp. US) Betta splendens 7.5 cm (3.0 in) Numerous color and fin pattern varieties. Betta is the name of the genus that includes more than 60 species other than the Siamese fighting fish. Multiple males in a tank will result in conflicts and possibly death. Females can be housed together in groups of 5+ in a tank, though they may become territorial and attack each other. Males have long flowing fins with vibrant colors, and females have shorter fins. This fish is best put with fish that do not nip fins, as the fins of the betta are easy to attack. They should also not be housed with other fish with long, flowing fins as the Betta may confuse it with another male, and attack. Minimum tank size for one male or female and maybe a few shrimp or snails is 5 gallons. Minimum tank size for a female betta sorority is 20 gallons.
Malay combtail Belontia hasselti 20 cm (7.9 in)
Slender betta Betta bellica 9 cm (3.5 in)
Betta burdigala 3.5 cm (1.4 in)
Scarlet betta Betta coccina 4 cm (1.6 in)
Crescent betta Betta imbellis 6 cm (2.4 in)
Betta miniopinna 3.5 cm (1.4 in)
Toba betta Betta rubra 4 cm (1.6 in)
Betta simorum 9 cm (3.5 in)
Giant Pikehead Luciocephalus pulcher 20 cm (7.9 in)
Parosphromenus phoenicurus 3 cm (1.2 in)
Chocolate gourami Sphaerichthys osphromenoides 7 cm (2.8 in)
Pearl gourami Trichopodus leerii 11.5 cm (4.5 in)
Three spot gourami Trichopodus trichopterus 10 cm (3.9 in) Various color varieties each given a different name (blue gourami, gold gourami, and opaline gourami)
Croaking gourami Trichopsis vittata 6.5 cm (2.6 in) Often confused with the pygmy gourami, but larger. May hunt and eat aquarium shrimp.
Giant gourami Osphronemus goramy 60 cm (24 in) Occasionally, some other gouramis are also referred to as "giant gouramis"
Other labyrinth fishes
Common name Taxonomy Picture Size Remarks Temperature range pH range
Kissing gourami Helostoma temminckii 15 cm (5.9 in) The pink variety is more popular than the natural green one. They are called Kissing Gouramis because the seem to pucker their lips outwards. they require aquarium salt in the water or hard water
Climbing perch Anabas testudineus 20 cm (7.9 in)
Leopard bush fish Ctenopoma acutirostre 15 cm (5.9 in)
African leaffish Polycentropsis abbreviata 8 cm (3.1 in)
Bornean leaffish Nandus nebulosus 12 cm (4.7 in)
Malayan leaffish Pristolepis fasciata 20 cm (7.9 in)
Snakehead
Common name Taxonomy Picture Size Remarks Temperature range pH range
Forest snakehead Channa lucius 40 cm (16 in)
Dwarf snakehead Channa gachua 20 cm (7.9 in)
Emperor snakehead Channa marulioides 65 cm (26 in)
Giant snakehead Channa micropeltes 130 cm (51 in)
Ocellated snakehead Channa pleurophthalma 35 cm (14 in)
African snakehead Parachanna obscura 50 cm (20 in)

Rainbowfish

Common name Taxonomy Picture Size Remarks Temperature range pH range
Red rainbowfish Glossolepis incisus 9–13 cm (3.5–5.1 in) Almost all rainbowfish species are bred in captivity and wild populations may be protected.
Lake Wanam rainbowfish Glossolepis wanamensis 9 cm (3.5 in)
Threadfin rainbowfish Iriatherina werneri 3–4 cm (1.2–1.6 in) Threadfins have very tiny mouths and cannot compete well with other fish for food. Keep in species only tanks or with small Pseudomugil (i.e.: gertrudae)
New Guinea rainbowfish Melanotaenia affinis 13 cm (5.1 in)
Western rainbowfish Melanotaenia australis 11 cm (4.3 in)
Boeseman's rainbowfish Melanotaenia boesemani 10–13 cm (3.9–5.1 in)
Duboulayi's rainbowfish Melanotaenia duboulayi 13–15 cm (5.1–5.9 in) a.k.a. Crimson-Spotted rainbowfish
Australian rainbowfish Melanotaenia fluviatilis 13–15 cm (5.1–5.9 in)
Lake Tebera rainbowfish Melanotaenia herbertaxelrodi 9 cm (3.5 in)
Lake Kutubu rainbowfish Melanotaenia lacustris 12 cm (4.7 in)
Lake Kurumoi rainbowfish Melanotaenia parva 7.5–8 cm (3.0–3.1 in) a.k.a. Flame rainbowfish
Neon rainbowfish Melanotaenia praecox 6–7.5 cm (2.4–3.0 in) A good beginner fish, but sensitive to water quality. Peaceful and very bold; for example it is unafraid of gravel cleaners and algae scrubbers. It is relatively tolerant of other fish chasing and/or bulling it.
Eastern rainbowfish Melanotaenia splendida splendida 13–15 cm (5.1–5.9 in)
Banded rainbowfish Melanotaenia trifasciata 13 cm (5.1 in)
Celebes rainbow Marosatherina ladigesi 8 cm (3.1 in)
Forktail blue-eye Pseudomugil furcatus 4–5 cm (1.6–2.0 in) An active species. Requires space to swim; not suitable for nano tanks in spite of its small size.
Spotted blue-eye Pseudomugil gertrudae 3–4 cm (1.2–1.6 in) Often recommended for nano tanks. A schooling fish (keep in groups). Males do spectacular displays with their expanded dorsal and anal fins.
Pacific blue-eye Pseudomugil signifer 3.5–7 cm (1.4–2.8 in)
Delicate blue-eye Pseudomugil tenellus 4–5.5 cm (1.6–2.2 in)
Madagascar rainbowfish Bedotia madagascariensis 7.5–8 cm (3.0–3.1 in)

Gobies and sleepers

Common name Taxonomy Picture Size Remarks Temperature range pH range
Empire gudgeon Hypseleotris compressa 12 cm (4.7 in) Omnivorous. Sexually dimorphic—males much larger and brighter-colored than females.
Purple sleeper gudgeon Mogurnda mogurnda 20 cm (7.9 in) Sometimes called purple sleeper goby. Not a true goby, a gudgeon. Requires a very large tank.
Peacock gudgeon Tateurndina ocellicauda 7.5 cm (3.0 in) Sometimes called peacock goby, but a gudgeon. Will breed in home tanks. Shy but territorial. Pairs hold small territories around caves or pots and display to neighbors. Best kept in a species tank or with very small peaceful fish, to enjoy its beautiful appearance and interesting behavior.
Black toraja goby Mugilogobius sarasinorum
Bumblebee goby Brachygobius doriae 4 cm (1.6 in) Native to costal streams and estuaries; keep in brackish water or add crushed coral to water. May only eat live food. Territorial; keep in groups of 6+ to diffuse aggression between males.
Knight goby Stigmatogobius sadanundio 9 cm (3.5 in)
Rainbow stiphodon Stiphodon ornatus 5 cm (2.0 in)
Cobalt blue goby Stiphodon semoni align="center" align="center" |4–5 cm (1.6–2.0 in)
Sicyopus zosterophorus 4–4.5 cm (1.6–1.8 in)
Bearded worm goby Taenioides cirratus 30 cm (12 in)
Marbled goby Oxyeleotris marmorata 30–65 cm (12–26 in)
Crazy fish Butis butis 15 cm (5.9 in)
Rhinogobius duospilus
Dragon goby, Violet goby Gobioides broussonnetii
Striped sleeper goby Dormitator maculatus

Sunfish and relatives

Common name Taxonomy Picture Size Remarks Temperature range pH range
Pygmy sunfish Elassomatidae 4 cm (1.6 in) Suits smaller tanks. May only accept live or frozen foods.
Blackbanded sunfish Enneacanthus chaetodon 10 cm (3.9 in) Relatively peaceful, small sunfish.
Blue-spotted sunfish Enneacanthus gloriosus 10 cm (3.9 in) Relatively peaceful, small sunfish.
Redbreast sunfish Lepomis auritus 30 cm (12 in)
Green sunfish Lepomis cyanellus 25 cm (9.8 in) Likely the most aggressive sunfish. Difficult to keep with other green sunfishes, other sunfishes, or even other perciform fishes in general unless kept in very spacious aquaria or ponds. Like many fishes, more tolerant of distantly related species (i.e. catfishes and minnows), if too large to be eaten. Very aware of environment outside of aquarium, making it an engaging "wet pet." Accepts a variety of foods (flakes, pellets, krill, brine shrimp, bloodworms, and live prey).
Orangespotted sunfish Lepomis humilis 15 cm (5.9 in) Among the less aggressive of the sunfishes.
Pumpkinseed Lepomis gibbosus 28 cm (11 in) One of the more aggressive sunfishes. Good at preying on snails.
Warmouth Lepomis gulosus 30 cm (12 in)
Bluegill Lepomis macrochirus 41 cm (16 in) Fairly aggressive, but prefers to live in shoals.
Dollar sunfish Lepomis marginatus 12 cm (4.7 in)
Longear sunfish Lepomis megalotis 24 cm (9.4 in)
Redear sunfish Lepomis microlophus 40 cm (16 in) Also known as shellcracker for its ability to prey on snails.
Redspotted sunfish Lepomis miniatus 20 cm (7.9 in) Formerly considered conspecific with the spotted sunfish.
Northern sunfish Lepomis peltastes 13 cm (5.1 in) Until recently considered conspecific with the longear sunfish.
Spotted sunfish Lepomis punctatus 10 cm (3.9 in) A fairly peaceable sunfish.

Other fish

Common name Taxonomy Picture Size Remarks Temperature range pH range
Gray bichir, Senegal bichir, or dinosaur bichir Polypterus senegalus 70.0 cm (27.6 in) maximum length[20]40.0 cm (16 in) in captivity[21] This species is known for predatory behavior toward tankmates. 25–28 °C (77–82 °F)[20] 6.0-8.0[20]
Ornate bichir Polypterus ornatipinnis 60 cm (24 in) maximum length[22]   26–28 °C (79–82 °F)[22] 6.0–8.0
Retropinnis bichir Polypterus retropinnis 34.0 cm (13.4 in)[23]   26–28 °C (79–82 °F) 6.5–7.5
Barred bichir Polypterus delhezi 35 cm (14 in) 24–30 °C (75–86 °F) 6–8
Saddled bichir Polypterus endlicheri 63 cm (25 in)[24] 22–27 °C (72–81 °F) 6–8
Reedfish Erpetoichthys calabaricus 31.4 cm (12.4 in) at maturity, 37 centimetres (15 in) maximum length[25] Nocturnal, can slither around out of water as long as they stay wet. 22–28 °C (72–82 °F)[25] 6.0–8.0[25]
Hingemouth Phractolaemus ansorgii 25 cm (9.8 in)
Blunt-jawed elephantnose Campylomormyrus tamandua 40 cm (16 in)
Peters' elephant nose Gnathonemus petersii 22.5 cm (8.9 in)
African butterflyfish Pantodon buchholzi 12 cm (4.7 in)
Aba aba Gymnarchus niloticus 120 cm (47 in)
Reticulated knifefish Papyrocranus afer 80 cm (31 in)
African brown knifefish Xenomystus nigri 30 cm (12 in)
Clown knifefish Chitala ornata
Asian arowana Scleropages formosus 90 cm (35 in)
Silver arowana Osteoglossum bicirrhosum 90 cm (35 in)
Freshwater pipefish Doryichthys martensii 15 cm (5.9 in)
African freshwater pipefish Enneacampus ansorgii 14 cm (5.5 in)
Fire eel Mastacembelus erythrotaenia 100 cm (39 in)
Tire track eel Mastacembelus armatus 90 cm (35 in)
Spotfinned spiny eel Macrognathus siamensis 30 cm (12 in)
Half-banded spiny eel Macrognathus circumcinctus 20 cm (7.9 in)
Lesser spiny eel Macrognathus aculeatus 38 cm (15 in)
Freshwater sole Brachirus panoides 20 cm (8 in)
Freshwater needlefish Xenentodon cancila 35 cm (14 in)
Javanese ricefish Oryzias javanicus 3.5 cm (1.4 in)
Daisy's Ricefish Oryzias woworae 3 cm (1.2 in)
Indian glassy fish Parambassis ranga 8 cm (3.1 in)
Amazon leaffish Monocirrhus polyacanthus 8 cm (3.1 in)
Gymnochanda filamentosa 3.8 cm (1.5 in)
Indonesian tigerfish Datnioides microlepis 45 cm (18 in)
Silver tigerfish Datnioides polota 30 cm (12 in)
Banded archerfish Toxotes jaculatrix 30 cm (12 in)
Spotted scat Scatophagus argus 20 cm (7.9 in)
Green spotted puffer Dichotomyctere nigroviridis 15 cm (5.9 in) often sold as freshwater fish, but this species actually thrives in brackish water and may even require saltwater when reaches adulthood
Humpback Puffer Pao palembangensis 20 cm (7.9 in)
Red-tail dwarf puffer Carinotetraodon irrubesco 4.5 cm (1.8 in)
Golden puffer Auriglobus modestus 10 cm (3.9 in)
Figure 8 pufferfish Tetraodon biocellatus 6 cm (2.4 in) often sold as freshwater fish, but this species prefers brackish water
Dwarf pufferfish Carinotetraodon travancoricus 2.9 cm (1.1 in)
Fahaka puffer Tetraodon lineatus 1-foot 5 inches
Giant freshwater pufferfish Tetraodon mbu File:MooBoo.jpg 75 cm (30 in) This fish also occurs in estuaries.
Congo pufferfish Tetraodon miurus 15 cm (5.9 in)
Amazon puffer Colomesus asellus
West African lungfish Protopterus annectens 100 cm (39 in)
Spotted lungfish Protopterus dolloi 130 cm (51 in)
South American lungfish Lepidosiren paradoxa 125 cm (49 in)
Ocellate river stingray Potamotrygon motoro
Black devil stingray Potamotrygon leopoldi
Black ghost knifefish Apteronotus albifrons 20 in Not to be confused with the featherback "knifefish" of the Bonytongue group (see above) Very aggressive to other knifefish, but otherwise peaceful. 23-28C (73-82F) 6.0-8.0
Brown ghost knifefish Apteronotus leptorhynchus Very hard to feed it anything but live food
Electric eel Electrophorus electricus Despite the name, this is not an "eel" but rather a huge knifefish; illegal to possess in some areas; dangerous; very large adult size
Glass knifefish Eigenmannia virescens
Sterlet Acipenser ruthenus
Shovelnose Sturgeon Scaphirhynchus platorynchus
Spotted Gar Lepisosteus oculatus 70 cm (27.5 in)
Longnose Gar Lepisosteus osseus
Florida Gar Lepisosteus platyrhincus 70 cm (27.5 in)
Alligator Gar Atractosteus spatula 300 cm (118 in)
Cuban Gar Atractosteus tristoechus 200 cm (78.5 in)
Tropical Gar Atractosteus tropicus 150 cm (59 in)
Freshwater blenny Salaria fluviatilis
Pickerel Esox americanus
Brook stickleback Culaea inconstans
European Perch Perca fluviatilis
Banded darter Etheostoma zonale
Gilt darter Percina evides
Orangethroat darter Etheostoma spectabile
Rainbow darter Etheostoma caeruleum
Splendid darter Etheostoma barrenense

See also

Sources

Wikimedia Commons has media related to Freshwater aquarium fish.

References

  1. ^ a b c "Aspidoras fuscoguttatus summary page". FishBase. Retrieved 2017-12-12.
  2. ^ "Aspidoras lakoi summary page". FishBase. Retrieved 2017-12-12.
  3. ^ a b c "Aspidoras rochai summary page". FishBase. Retrieved 2017-12-14.
  4. ^ a b "Aspidoras pauciradiatus summary page". FishBase. Retrieved 2017-12-14.
  5. ^ http://www.scotcat.com/factsheets/brochis_britskii.htm
  6. ^ "Corydoras splendens summary page". FishBase. Retrieved 2017-12-11.
  7. ^ http://www.fishbase.org/summary/Corydoras-haraldschultzi.html Fishbase:haraldschultzi
  8. ^ "Corydoras panda summary page". FishBase. Retrieved 2017-12-11.
  9. ^ http://www.fishbase.org/summary/Corydoras-sterbai.html Fishbase:sterbai
  10. ^ http://www.fishbase.org/Summary/SpeciesSummary.php?ID=12199&AT=Threestripe+corydoras Fishbase:thilineatus
  11. ^ "Everything You Need to Know About the Bristlenose Catfish". The Spruce. Retrieved 2018-01-26.
  12. ^ a b c "Phractocephalus hemioliopterus (Red-tail Catfish)". Seriously Fish. Retrieved 2019-02-02.
  13. ^ "Hyphessobrycon megalopterus summary page". FishBase. Retrieved 2018-12-26.
  14. ^ "Hyphessobrycon herbertaxelrodi summary page". FishBase. Retrieved 2018-12-26.
  15. ^ "Inpaichthys kerri (Purple Emperor Tetra) — Seriously Fish". Retrieved 2021-02-24.
  16. ^ "Abramites hypselonotus summary page". FishBase. Retrieved 2018-12-26.
  17. ^ "Weather loaches and how to keep them". Practical Fishkeeping. 2016-06-13. Retrieved 2021-04-18.
  18. ^ "The Most Common Fish Names Beginning With W?". The Spruce Pets. Retrieved 2021-04-18.
  19. ^ "Trichogaster lalius (Dwarf Gourami)". Seriously Fish. Retrieved 2020-02-18.
  20. ^ a b c "Polypterus senegalus summary page". FishBase. Retrieved 2017-12-12.
  21. ^ "Polypterus (bichirs)". www.thetropicaltank.co.uk. Retrieved 2018-01-26.
  22. ^ a b "Polypterus ornatipinnis summary page". FishBase. Retrieved 2017-12-12.
  23. ^ "Polypterus retropinnis summary page". FishBase. Retrieved 2017-12-12.
  24. ^ "Polypterus endlicheri summary page". FishBase. Retrieved 2019-03-02.
  25. ^ a b c "Erpetoichthys calabaricus summary page". FishBase. Retrieved 2017-12-12.
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