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Acanthurus bahianus  Castelnau, 1855

Ocean surgeon
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Image of Acanthurus bahianus (Ocean surgeon)
Acanthurus bahianus
Picture by Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).   More on author: Castelnau.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 2 - 40 m (Ref. 7345), usually 2 - 25 m (Ref. 27115).   Tropical; 21°C - 25°C (Ref. 27115); 43°N - 33°S, 98°W - 13°W

Length at first maturity / Size / Weight / Age

Maturity: Lm 15.5, range 9 - ? cm
Max length : 38.1 cm SL male/unsexed; (Ref. 9761); common length : 25.0 cm TL male/unsexed; (Ref. 3142)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 23-26; Anal spines: 3; Anal soft rays: 21 - 23. Caudal fin moderately emarginate (Ref. 13442). Head and body deep and compressed (Ref. 26938).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Atlantic: Massachusetts, USA and Bermuda southward to the Gulf of Mexico (except in the northeast) and Brazil. Eastern Atlantic: Ascension and St. Helena islands (Ref. 7345) off Angola (Ref. 26938). A recent record from Seychelles is probably a locality error (Ref. 13442).

Biology     Glossary (e.g. epibenthic)

Inhabits shallow bottoms with coral or rocky formations (Ref. 13628). Usually occurs in groups of five or more individuals. Mainly diurnal species. Feeds on algae. The spine on both sides of the caudal peduncle may inflict painful wounds (Ref. 5217). Marketed fresh. Minimum depth reported from Ref. 27115.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Randall, John E. | Collaborators

Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Traumatogenic (Ref. 5217)




Human uses

Fisheries: minor commercial; aquarium: commercial; bait: occasionally
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
Ecosystems
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Ecology
Diet
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Common names
Synonyms
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Predators
Ecotoxicology
Reproduction
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Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
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Ciguatera
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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | Public aquariums | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01862 (0.01244 - 0.02788), b=2.91 (2.79 - 3.03), based on LWR estimates for species & Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.0   ±0.0 se; Based on diet studies.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (20 of 100) .
medium
Price category (Ref. 80766):   Medium.