Acanthurus olivaceus Bloch & Schneider, 1801

Orangespot surgeonfish

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Acanthuridae \| Acanthurinae
Synonyms	Hepatus olivaceus, Rhombotides olivaceus, Teuthis olivaceus, ... more
Common names	Orange spot tang, Orange-blotch surgeon, Orange-epaulette surgeonfish, ... more

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Image of Acanthurus olivaceus (Orangespot surgeonfish)

Picture by Randall, J.E.

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AquaMaps Data sources: GBIF OBIS

Main reference

Randall, J.E. 1956. (Ref. 1920)
Other references | Biblio | Coordinator : Randall, John E. | Collaborators

Size / Weight / Age

Max length : 35.0 cm TL male/unsexed; (Ref. 2334)

Environment

Reef-associated; marine; depth range 3 - 46 m (Ref. 1602), usually 9 - 46 m (Ref. 1602)

Climate / Range

Tropical; 24°C - 28°C (Ref. 27115); 35°N - 32°S, 95°E - 139°W

Pacific Ocean: Christmas Island and Cocos-Keeling Islands in the eastern Indian Ocean to the Hawaiian and Tuamoto islands, north to Japan, south to Lord Howe Island. Replaced by Acanthurus tennenti in the Indian Ocean (Ref. 37816).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 9; Dorsal soft rays (total): 23 - 25; Anal spines: 3; Anal soft rays: 22 - 24. Body of adult dark grayish brown; juveniles yellow; posterior to upper end of gill opening is a bright orange horizontal band, with purplish black border. Head and anterior half of body usually abruptly paler than the posterior half. Anterior gill rakers 24-28; posterior 23-27. Large adult males (about 17 cm) with more definite convexity of snout profile.

Inhabit seaward reefs, in areas of bare rock or mixed rubble and sand, from 9 to at least 46 m depth; juveniles inhabit protected bays and lagoons, singly or in small groups in as little as 3 m (Ref. 1602, 48637). Benthopelagic (Ref. 58302). Adults occur singly or in schools and feed on surface film of detritus, diatoms, and fine filamentous algae covering sand and bare rock (Ref. 1602). Rarely poisonous (Ref. 4795).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless (Ref. 4795)

Human uses
Fisheries: commercial; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (31 of 100)	Medium

Entered by Capuli, Estelita Emily

Modified by Bailly, Nicolas

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Page last modified by : elaxamana, 15 July 2009

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