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Acanthurus nigricans (Linnaeus, 1758)

Whitecheek surgeonfish
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Native range | All suitable habitat | Point map | Year 2050
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Acanthurus nigricans   AquaMaps   Data sources: GBIF OBIS
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Image of Acanthurus nigricans (Whitecheek surgeonfish)
Acanthurus nigricans
Picture by Randall, J.E.

Papua New Guinea country information

Common names: White-cheeked surgeonfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Kimbe bay (Ref. 28888). Also Ref. 37792.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/pp.html
National Fisheries Authority: http://www.spc.org.nc/coastfish/Countries/PNG/png.htm
Occurrences: Occurrences Point map
Main Ref: Kailola, P.J., 1991
National Database:

Common names from other countries

Velvet surgeonfish, Goldrim surgeonfish, Gold-rim tang, ... more

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Acanthuriformes (Surgeonfishes) > Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
  More on author: Linnaeus.

Environment: milieu / climate zone / depth range / distribution range Ecología

marino asociado a arrecife; rango de profundidad 0 - 67 m (Ref. 1602), usually 2 - 67 m (Ref. 27115).   Tropical; 21°C - 29°C (Ref. 27115); 30°N - 24°S

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Eastern Indian Ocean: known only from Cocos-Keeling Islands and Christmas Island. Pacific Ocean: Ryukyu Islands and Great Barrier Reef to the Hawaiian Islands and French Polynesia (excluding Rapa). This species has crossed the Eastern Pacific Barrier to the Revillagigedo Islands, Cocos Island, Galapagos Islands, and the coast of Mexico.

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 36.0 cm FL macho / no sexado; (Ref. 125599); peso máximo publicado: 620.00 g (Ref. 125599); edad máxima reportada: 34 años (Ref. 52229)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 9; Radios blandos dorsales (total) : 28 - 31; Espinas anales: 3; Radios blandos anales: 26 - 28. A horizontally elongate white blotch directly below eye. No orange band in outer part of dorsal fin. Caudal peduncle black except for yellow edge of socket and sheath of peduncular spine. Base of pectoral fin black (ref 9808).Gill rakers on anterior row:17-19, on posterior row:18-20.

Biología     Glosario (por ej. epibenthic)

Adults inhabit hard substrate areas of clear lagoon and seaward reefs from the lower surge zone to at least 67 m and feeds on filamentous algae. Solitary or in groups (Ref. 90102). Monogamous (Ref. 52884, 48637). Benthopelagic (Ref. 58302). Small juveniles shy among large corals (Ref. 48637). Territorial species. Common throughout Micronesia and hybridizes with the rare A. achilles. Size of metamorphosis from the postlarva stage to juvenile is 5.5 to 6 cm (Ref. 9267). Minimum depth reported taken from Ref. 128797.

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Monogamous mating is observed as both facultative and social (Ref. 52884).

Main reference Upload your references | Referencias | Coordinador : Randall, John E. | Colaboradores

Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)

IUCN Red List Status (Ref. 130435)

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