Acanthurus nigricans, Whitecheek surgeonfish : fisheries, aquarium

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Acanthurus nigricans (Linnaeus, 1758)

Whitecheek surgeonfish
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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.

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinoptérygiens (poissons à nageoires rayonnées) > Perciformes (Perch-likes) > 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 Écologie

; marin récifal; profondeur 1 - 67 m (Ref. 1602), usually 2 - 67 m (Ref. 27115).   Tropical; 21°C - 29°C (Ref. 27115); 30°N - 24°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | 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.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 21.3 cm TL mâle / non sexé; (Ref. 2334); âge max. reporté: 34 années (Ref. 52229)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 9; Rayons mous dorsaux (Total): 28-31; Épines anales 3; Rayons mous anaux: 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.

Biologie     Glossaire (ex. 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).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

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

Référence principale Upload your references | Références | Coordinateur : Randall, John E. | Collaborateurs

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

Statut dans la liste rouge de l'IUCN (Ref. 120744)

  Préoccupation mineure (LC) ; Date assessed: 04 May 2010

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: pêcheries vivrières; Aquarium: Commercial
FAO(Publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 24.5 - 28.8, mean 27.4 (based on 650 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02630 (0.01503 - 0.04603), b=2.92 (2.77 - 3.07), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  2.0   ±0.00 se; Based on food items.
Generation time: 3.9 ( na - na) years. Estimated as median LN(3)/K based on 2 growth studies.
Résilience (Ref. 120179):  Très faible, temps minimum de doublement de population supérieur à 14 ans (K=0.28; tmax=34).
Vulnérabilité (Ref. 59153):  Low vulnerability (20 of 100) .
Catégorie de prix (Ref. 80766):   Medium.