Acanthurus xanthopterus

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Acanthurus xanthopterus - Wikipedia

From Wikipedia, the free encyclopedia

Acanthurus xanthopterus

Conservation status
Least Concern (IUCN 3.1)^[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Acanthuriformes
Family:	Acanthuridae
Genus:	Acanthurus
Species:	A. xanthopterus
Binomial name
*Acanthurus xanthopterus* Valenciennes, 1835
Synonyms
Hepatus xanthopterus (Valenciennes, 1835) Teuthis xanthopterus (Valenciennes, 1835) Acanthurus rasi Valenciennes, 1835 Teuthis crestonis Jordan & Starks, 1895 Acanthurus crestonis (Jordan & Starks, 1895) Hepatus crestonis (Jordan & Starks, 1895) Teuthis guentheri Jenkins, 1903 Hepatus aquilinus Jordan & Seale, 1906 Acanthurus reticulatus Shen & Lim, 1973

Acanthurus xanthopterus, the yellowfin surgeonfish yellowmask surgeonfish, ringtail surgeonfish or Cuvier's surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae which includes the surgeonfishes, unicornfishes and tangs. This species has a wide Indo-Pacific distribution.

Taxonomy

Acanthurus xanthopterus was first formally described in 1835 by the French zoologist Achille Valenciennes with its type locality given as Seychelles.^[2] The genus Acanthurus is one of two genera in the tribe Acanthurini which is one of three tribes in the subfamily Acanthurinae which is one of two subfamilies in the family Acanthuridae.^[3]

Description

Acanthurus xanthopterus ranges in length to 70 cm (28 in). It has eight or 9 dorsal spines, 25–27 dorsal soft rays, three anal spines, 23–25 anal soft rays, and 16–24 anterior and 17–22 posterior gill rakers.^[4]

Its body is purplish gray. It has a region of dull yellow in front of its eye. The outer third of its pectoral fin is yellow, the extreme distal part is hyaline. Its dorsal and anal fins are yellowish grey basally and dull yellow distally. Its caudal fin is purplish and the caudal spine is small.^[4]

Range and habitat

Acanthurus xanthopterus lives near coral reefs at depths ranging from 5–90 m (16–295 ft). Its preferred temperatures are 24–28 °C (75–82 °F) at latitudes of 30°N to 30°S. It ranges from East Africa to the Hawaiian Islands and French Polynesia, north to southern Japan, south to the Great Barrier Reef, and New Caledonia, and in the Eastern Pacific, from the lower Gulf of California and Clipperton Island to Panama and the Galapagos Islands.^[4]

Juveniles inhabit shallow, protected, turbid inshore waters, while adults prefer deeper areas of protected bays and lagoons.

Feeding

Acanthurus xanthopterus feeds on diatoms, detritus film of sand, filamentous algae, hydroids, and pieces of fish. It is probably the only surgeonfish that readily takes bait.^[4]

References

^ Abesamis, R.; Clements, K.D.; McIlwain, J.; et al. (2012). "Acanthurus xanthopterus". IUCN Red List of Threatened Species. 2012: e.T177989A1512937. doi:10.2305/IUCN.UK.2012.RLTS.T177989A1512937.en.
^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Acanthurus". Catalog of Fishes. California Academy of Sciences. Retrieved 3 October 2023.
^ J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. pp. 497–502. ISBN 978-1-118-34233-6.
^ ^a ^b ^c ^d Froese, Rainer; Pauly, Daniel (eds.). "Acanthurus xanthopterus". FishBase. October 2007 version.

External links

IFM Geomar - Ozeanografie, Ozeanologie und Meteorologieifm-geomar
acanthuridae acanturidi
Photos of Acanthurus xanthopterus on Sealife Collection

Taxon identifiers
Acanthurus xanthopterus	Wikidata: Q2182371 Wikispecies: Acanthurus xanthopterus ADW: Acanthurus_xanthopterus AFD: Acanthurus_xanthopterus BOLD: 11589 CoL: 92RN FishBase: 1261 GBIF: 5209252 iNaturalist: 132366 IRMNG: 11127392 ITIS: 172259 IUCN: 177989 NCBI: 75014 Observation.org: 596797 OBIS: 219634 Open Tree of Life: 824720 WoRMS: 219634

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