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{{Short description|Genus of fishes}}
{{Short description|Genus of fishes}}
{{Automatic taxobox
{{Automatic_taxobox
| name = ''Helicolenus''
| name = ''Helicolenus''
| image = Helicolenus percoides (Red gurnard perch).jpg
| image = Helicolenus dactylopterus.jpg
| image_caption = [[Red gurnard perch]], ''Helicolenus percoides''
| image_caption = [[Blackbelly rosefish]] (''Helicolenus dactylopterus'')
| taxon = Helicolenus
| taxon = Helicolenus
| authority = [[George Brown Goode|Goode]] & [[Tarleton Hoffman Bean|T. H. Bean]], 1896
| authority = [[George Brown Goode|Goode]] & [[Tarleton Hoffman Bean|T. H. Bean]], 1896
| display_parents = 3
| type_species = ''Scorpaena dactyloptera''
| type_species_authority = [[François Étienne Delaroche|Delaroche]], 1809<ref name = CofF>{{Cof family | family = Sebastidae | access-date = 29 October 2021}}</ref>
| subdivision_ranks = Species
| subdivision_ranks = Species
| subdivision =
| subdivision =
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}}
}}


'''''Helicolenus''''' is a [[genus]] of [[Sebastidae|rockfishes]] found in the [[Indian Ocean|Indian]], [[Atlantic Ocean|Atlantic]] and [[Pacific Ocean|Pacific]] oceans.
'''''Helicolenus''''' is a [[genus]] of marine [[ray-finned fish]]es belonging to the [[Family (biology)|family]] [[Scorpaenidae]] where they are classified within the [[subfamily]] [[Sebastinae]], the rockfishes. The species in this genus are found in the [[Indian Ocean|Indian]], [[Atlantic Ocean|Atlantic]] and [[Pacific Ocean|Pacific]] oceans.

==Taxonomy==
''Helicolenus'' was described by a genus in 1896 by the American ichthyologists [[George Brown Goode]] & [[Tarleton Hoffman Bean]] using ''Scorpaena dactyloptera'' as its [[type species]] which had originally been [[Species description|described]] by the [[Republic of Geneva|Genevan]] [[physician]], [[naturalist]], [[chemist]], [[botanist]] and [[ichthyologist]] François Étienne Delaroche in 1809.<ref name = CofF/> The genus name is a compound of ''helikos'' which means "twisted" or "curved" but meaning "strong" according to Goode and Bean, possibly in error for ''hadros''; and ''oleni'' meaning "elbow" or "arm", an allusion to the “strong pectoral fins” of ''H. dactylopterus''.<ref name = ETYFish>{{cite web | url = https://etyfish.org/perciformes8/ | title = Order Perciformes (Part 8): Suborder Scorpaenoidei: Families Sebastidae, Setarchidae and Neosebastidae | work = The ETYFish Project Fish Name Etymology Database | editor1= Christopher Scharpf | editor2 = Kenneth J. Lazara | name-list-style = amp |date = 22 May 2021 | access-date = 29 October 2021 | publisher = Christopher Scharpf and Kenneth J. Lazara}}</ref>


==Species==
==Species==
There are 10 recognized species:<ref>{{FishBase genus | genus = Helicolenus| month = December | year = 2012}}</ref>
There are 9 recognised species:<ref name = FishBase>{{FishBase genus | genus = Helicolenus| month = June | year = 2021}}</ref>
* ''[[Helicolenus alporti]]'' <small>([[François Louis Nompar de Caumat de Laporte Castelnau|Castelnau]], 1873)</small>
* ''[[Helicolenus avius]]'' <small>[[Tokiharu Abe|T. Abe]] & [[William N. Eschmeyer|Eschmeyer]], 1972</small>
* ''[[Helicolenus avius]]'' <small>[[Tokiharu Abe|T. Abe]] & [[William N. Eschmeyer|Eschmeyer]], 1972</small>
* ''[[Helicolenus barathri]]'' <small>([[James Hector|Hector]], 1875)</small> (bigeye sea perch)
* ''[[Helicolenus barathri]]'' <small>([[James Hector|Hector]], 1875)</small> (bigeye sea perch, Offshore ocean perch, bigeye ocean perch)
* ''[[Helicolenus dactylopterus]]'' <small>([[François Étienne Delaroche|Delaroche]], 1809)</small> (blackbelly rosefish)
* ''[[Helicolenus dactylopterus]]'' <small>([[François Étienne Delaroche|Delaroche]], 1809)</small> (blackbelly rosefish)
* ''[[Helicolenus fedorovi]]'' <small>[[Vladimir Viktorovich Barsukov|Barsukov]], 1973</small>
* ''[[Helicolenus fedorovi]]'' <small>[[Vladimir Viktorovich Barsukov|Barsukov]], 1973</small>
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* ''[[Helicolenus lengerichi]]'' <small>[[John Roxborough Norman|Norman]], 1937</small>
* ''[[Helicolenus lengerichi]]'' <small>[[John Roxborough Norman|Norman]], 1937</small>
* ''[[Helicolenus mouchezi]]'' <small>([[Henri Émile Sauvage|Sauvage]], 1875)</small>
* ''[[Helicolenus mouchezi]]'' <small>([[Henri Émile Sauvage|Sauvage]], 1875)</small>
* ''[[Helicolenus percoides]]'' <small>([[John Richardson (naturalist)|J. Richardson]] & [[Daniel Solander|Solander]], 1842)</small> (red gurnard perch)
* ''[[Helicolenus percoides]]'' <small>([[John Richardson (naturalist)|J. Richardson]] & [[Daniel Solander|Solander]], 1842)</small> (red gurnard perch, Inshore ocean perch, reef ocean perch, jock stewart)

==Characteristics==
''Helicolenus'' fishes have a large head which bears spiny ridges and has a large mouth. There are 5 spines on the posterior and lower margin of the preoperculum and two obvious spines close to the posterior of the [[Operculum (fish)|operculum]]. Their [[dorsal fin]]s have 11-13 robust spines and 10 to 14 soft rays.<ref name = <ref name = nzf2>{{cite book | last1 = McMillan | first1 = P.J. | last2 = Francis | first2 = M.P. | last3 = Paul | first3 = L.J. | last4 = Marriott | first4 = P.J | last5 = Mackay | first5 = E. | last6 = Baird | first6 = S.-J. | last7 = Griggs | first7 = L.H. | last8 = Sui | first8 = H. | last9 = Wei | first9 = F. | display-authors = 3 | year = 2011 |title = New Zealand fishes. Volume 1: A field guide to common species caught by bottom and midwater fishing | series = New Zealand Aquatic Environment and Biodiversity Report | volume = 68 | page = 196}}</ref><ref name = MSIP>{{cite web | url = http://species-identification.org/species.php?species_group=fnam&id=2121 | title = Rockfish (Helicolenus dactylopterus) | access-date = 29 October 2021 | author = J-C Hureau | work = Fishes of the NE Atlantic and the Mediterranean | publisher = Marine Species Identification Portal}}</ref> Species in this genius vary in length from a [[standard length]] of {{cvt|27|cm}} in ''H. fedorovi'' and ''H. hilgendorfii'' up to a [[total length]] of {{cvt|50|cm}} in ''H. dactylopterus''.<ref name = FishBase/>

==Distribution and habitat==
''Helicolenus'' rockfishes are found in the Pacific and Atlantic oceans. They are benthic, demersal and bathydemersal fishes.<ref name = FishBase/>

==Biology==
''Helicolenus'' rockfishes are ovoviviparous and fertilisation is internal.<ref name = FofA>{{cite web | url = https://fishesofaustralia.net.au/home/species/3217#moreinfo | author = Bray, D.J. | year = 2018 | title = ''Helicolenus percoides'' | work = Fishes of Australia | access-date = 29 October 2021 | publisher = Museums Victoria}}</ref> They are predators of cephalopods, echinoderms, crustaceans and fishes.<ref name = MSIP/> They have been known to live for up to 42 years.<ref name = FofA/>

==Fisheries==
''Helicolenus'' rockfishes are commercially important species in fisheries in some regions such as southern Australia.<ref name = FofA/>


==References==
==References==
{{Reflist}}
{{Reflist}}

{{Sebastidae}}
{{Sebastidae}}
{{Taxonbar|from=Q1764110}}
{{Taxonbar|from=Q1764110}}
{{Authority control}}


[[Category:Sebastidae]]
[[Category:Sebastini]]
[[Category:Helicolenus| ]]
[[Category:Marine fish genera]]
[[Category:Marine fish genera]]
[[Category:Taxa named by George Brown Goode]]
[[Category:Taxa named by George Brown Goode]]

Latest revision as of 21:31, 14 October 2023

Helicolenus
Blackbelly rosefish (Helicolenus dactylopterus)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Scorpaenidae
Subfamily: Sebastinae
Tribe: Sebastini
Genus: Helicolenus
Goode & T. H. Bean, 1896
Type species
Scorpaena dactyloptera
Species

See text.

Helicolenus is a genus of marine ray-finned fishes belonging to the family Scorpaenidae where they are classified within the subfamily Sebastinae, the rockfishes. The species in this genus are found in the Indian, Atlantic and Pacific oceans.

Taxonomy

[edit]

Helicolenus was described by a genus in 1896 by the American ichthyologists George Brown Goode & Tarleton Hoffman Bean using Scorpaena dactyloptera as its type species which had originally been described by the Genevan physician, naturalist, chemist, botanist and ichthyologist François Étienne Delaroche in 1809.[1] The genus name is a compound of helikos which means "twisted" or "curved" but meaning "strong" according to Goode and Bean, possibly in error for hadros; and oleni meaning "elbow" or "arm", an allusion to the “strong pectoral fins” of H. dactylopterus.[2]

Species

[edit]

There are 9 recognised species:[3]

Characteristics

[edit]

Helicolenus fishes have a large head which bears spiny ridges and has a large mouth. There are 5 spines on the posterior and lower margin of the preoperculum and two obvious spines close to the posterior of the operculum. Their dorsal fins have 11-13 robust spines and 10 to 14 soft rays.[4][5] Species in this genius vary in length from a standard length of 27 cm (11 in) in H. fedorovi and H. hilgendorfii up to a total length of 50 cm (20 in) in H. dactylopterus.[3]

Distribution and habitat

[edit]

Helicolenus rockfishes are found in the Pacific and Atlantic oceans. They are benthic, demersal and bathydemersal fishes.[3]

Biology

[edit]

Helicolenus rockfishes are ovoviviparous and fertilisation is internal.[6] They are predators of cephalopods, echinoderms, crustaceans and fishes.[5] They have been known to live for up to 42 years.[6]

Fisheries

[edit]

Helicolenus rockfishes are commercially important species in fisheries in some regions such as southern Australia.[6]

References

[edit]
  1. ^ a b Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Sebastidae". Catalog of Fishes. California Academy of Sciences. Retrieved 29 October 2021.
  2. ^ Christopher Scharpf & Kenneth J. Lazara, eds. (22 May 2021). "Order Perciformes (Part 8): Suborder Scorpaenoidei: Families Sebastidae, Setarchidae and Neosebastidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 29 October 2021.
  3. ^ a b c Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Helicolenus". FishBase. June 2021 version.
  4. ^ McMillan, P.J.; Francis, M.P.; Paul, L.J.; et al. (2011). New Zealand fishes. Volume 1: A field guide to common species caught by bottom and midwater fishing. New Zealand Aquatic Environment and Biodiversity Report. Vol. 68. p. 196.
  5. ^ a b J-C Hureau. "Rockfish (Helicolenus dactylopterus)". Fishes of the NE Atlantic and the Mediterranean. Marine Species Identification Portal. Retrieved 29 October 2021.
  6. ^ a b c Bray, D.J. (2018). "Helicolenus percoides". Fishes of Australia. Museums Victoria. Retrieved 29 October 2021.
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