Amphiprion mccullochi: Difference between revisions
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<ref name=Munday2004>{{cite journal |author1=Munday P.L. |title=Habitat loss, resource specialization, and extinction on coral reefs |journal=Global Change Biology |date=2004 |doi=10.1111/j.1365-2486.2004.00839.x |url= |volume=10 |pages=1642–1647}}</ref> |
<ref name=Munday2004>{{cite journal |author1=Munday P.L. |title=Habitat loss, resource specialization, and extinction on coral reefs |journal=Global Change Biology |date=2004 |doi=10.1111/j.1365-2486.2004.00839.x |url= |volume=10 |pages=1642–1647}}</ref> |
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<ref name="Nemo">{{cite journal |author1=Ollerton J |author2=McCollin D |author3=Fautin DG |author4=Allen GR |title=Finding NEMO: nestedness engendered by mutualistic organization in anemonefish and their hosts| journal=Proc R Soc B Biol Sci |
<ref name="Nemo">{{cite journal |author1=Ollerton J |author2=McCollin D |author3=Fautin DG |author4=Allen GR |title=Finding NEMO: nestedness engendered by mutualistic organization in anemonefish and their hosts| journal=Proc R Soc B Biol Sci |year=2007 |volume=274 |pages=591–598 |doi=10.1098/rspb.2006.3758 |url=http://rspb.royalsocietypublishing.org/content/274/1609/591}}</ref> |
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Revision as of 04:27, 4 March 2018
| Amphiprion mccullochi | |
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| Species: | A. mccullochi
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| Amphiprion mccullochi Whitely 1929
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Amphiprion mccullochi, also known as whitesnout anemonefish or McCulloch's anemonefish, is a species of anemonefish found in subtropical waters at Lord Howe Island and Norfolk Island.[1]. It was named for Allan McCulloch, a former Curator of Fishes at the Australian Museum, Sydney.[2] Like all anemonefishes it forms a symbiotic mutualism with sea anemones and is unaffected by the stinging tentacles of the host anemone. It is a sequential hermaphrodite with a strict sized based dominance hierarchy: the female is largest, the breeding male is second largest, and the male non-breeders get progressively smaller as the hierarchy descends.[3] They exhibit protandry, meaning the breeding male will change to female if the sole breeding female dies, with the largest non-breeder becomes the breeding male.[1]
Description
A. mccullochi is dark brown with a pale snout, a white bar on each side of the head (but not connected on top of the head) and a pale tail. Juveniles have two white bars and the edge of the pectoral fins is yellow. They have 10 dorsal spines, 2 anal spines, 15-17 dorsal soft rays and 13-14 anal soft rays.[4] They reach a maximum length of 12 cm (4+3⁄4 in).[1]
Color variations
Some anemonefish species have color variations based on geographic location, sex and host anemone. A. mccullochi does not show any of these variations.[1]
Similar species
A. mccullochi is similar in appearance to A. melanopus which is distinguished by its reddish chest, belly and dorsal fin, with a yellowish to slightly red tail. The white bars are also connected over the top of the head.[1] Genetic analysis suggested evolutionary connectivity among samples of A. mccullochi and A. akindynos. Historical hybridization and introgression in the evolutionary past resulted in a complex mitochondrial DNA structure. There were two evolutionary groups with individuals of both species detected in both, thus the species lacked reciprocal monophyly. There were no shared haplotypes between species.[5]
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A. mccullochi (Whitesnout anemonefish) -
A. melanopus (Red & Black anemonefish) -
The genetically related A. akindynos (Barrier Reef anemonefish)
Distribution and Habitat
A. mccullochi is endemic to the south western Pacific ocean at Lord Howe Island, Middleton Reef, Elizabeth Reef and Norfolk Island.[1]
Host anemones
The relationship between anemonefish and their host sea anemones is not random and instead is highly nested in structure.[6] A. mccullochi is highly specialised, being hosted with only 1 species of anemone: [1][6]
- Entacmaea quadricolor Bubble-tip anemone
Conservation status
Anemonefish and their host anemones are found on coral reefs and face similar environmental issues. Like corals, anemone's contain intracellular endosymbionts, zooxanthellae, and can suffer from bleaching due to triggers such as increased water temperature or acidification. Characteristics known to elevate the risk of extinction are small geographic range, small local population and extreme habitat specialisation.[7][8] The small geographic range, small local population and extreme habitat specialisation (it only associates with Entacmaea quadricolor) are all characteristics known to elevate the risk of extinction making A. mccullochi of particular conservation concern.[5] This species was not evaluated in the 2012 release of the IUCN Red List
In aquaria
This species has bred in captivity.[9][10]
References
- ^ a b c d e f g Fautin, Daphne G.; Allen, Gerald R. (1997). Field Guide to Anemone Fishes and Their Host Sea Anemones. Western Australian Museum. ISBN 9780730983651. Archived from the original on 18 October 2014.
- ^ Bray, Dianne. "McCulloch's Anemonefish, Amphiprion mccullochi". Fishes of Australia. Retrieved 2 September 2015.
- ^ Buston PM (May 2004). "Territory inheritance in clownfish". Proc. Biol. Sci. 271 (Suppl 4): S252–4. doi:10.1098/rsbl.2003.0156. PMC 1810038. PMID 15252999.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Amphiprion mccullochi". FishBase. November 2014 version.
- ^ a b van der Meer M.H.; G.P. Jones; J.-P.A. Hobbs; L. van Herwerden (2012). "Historic hybridization and introgression between two iconic Australian anemonefish and contemporary patterns of population connectivity". Ecology and Evolution. 2 (7): 1592–1604. doi:10.1002/ece3.251.
- ^ a b Ollerton J; McCollin D; Fautin DG; Allen GR (2007). "Finding NEMO: nestedness engendered by mutualistic organization in anemonefish and their hosts". Proc R Soc B Biol Sci. 274: 591–598. doi:10.1098/rspb.2006.3758.
- ^ Munday P.L. (2004). "Habitat loss, resource specialization, and extinction on coral reefs". Global Change Biology. 10: 1642–1647. doi:10.1111/j.1365-2486.2004.00839.x.
- ^ Hobbs J.-P.A.; Frisch A.J.; Ford B.M.; Thums M.; Saenz-Agudelo P.; Furby K.A.; Berumen M.L. (August 2013). "Taxonomic, spatial and temporal patterns of bleaching in anemones inhabited by anemonefishes". PLoS ONE. 8: e70966. doi:10.1371/journal.pone.0070966. PMC 3738586. PMID 23951056.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ "Captive breeding of the rare McCulloch's Clownfish (Amphiprion mccullochi) Updates & Blog". liveaquaria.com. Retrieved 2014-08-31.
- ^ "McCullochi Clownfish". orafarm.com. Retrieved 2014-08-31.
External links
- "Amphiprion mccullochi". Integrated Taxonomic Information System.
- Amphiprion mccullochi. Whitely, 1929. Retrieved through: World Register of Marine Species.