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Acanthurus gahhm (Forsskål, 1775)

Black surgeonfish
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Acanthurus gahhm   AquaMaps   Data sources: GBIF OBIS
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Image of Acanthurus gahhm (Black surgeonfish)
Acanthurus gahhm
Picture by Field, R.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

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

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

Marine; reef-associated; depth range 5 - 50 m (Ref. 130603), usually 5 - 40 m (Ref. 27115). Tropical; 22°C - 28°C (Ref. 130603); 30°N - 10°N, 32°E - 54°E

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

Western Indian Ocean: endemic to the Red Sea and the Gulf of Aden.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 30573)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 24 - 28; Anal spines: 3; Anal soft rays: 23 - 26. Characterized by having 2 longitudinal bands on the side, one from the hind margin of the eye posteriorly, another from the groove around the caudal peduncle spine anteriorly. Juveniles of less than 5 cm SL lack the anterior band; less than 10 cm SL lack the posterior band. Reaches 24 cm SL.

Biology     Glossary (e.g. epibenthic)

Often found in large groups in open areas near coral or rock (Ref. 9710). Caught with nets (Ref. 30573). Minimum depth reported taken from Ref. 275.

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

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

Randall, J.E., 1987. Three nomenclatorial changes in Indo-Pacific surgeonfishes (Acanthurinae). Pac. Sci. 41(1-4):54-61. (Ref. 1921)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Least Concern (LC) ; Date assessed: 04 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial; aquarium: commercial
FAO - Publication: search | FishSource | Sea Around Us

More information

Trophic ecology
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Ecology
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Length-weight rel.
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Maturity/Gills rel.
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References

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 23.8 - 29.1, mean 28.6 °C (based on 42 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01118 - 0.04914), b=2.95 (2.78 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.8   ±0.28 se; based on food items.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (30 of 100).
Price category (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 49.2 [20.3, 132.8] mg/100g; Iron = 0.656 [0.252, 1.578] mg/100g; Protein = 18.5 [17.3, 19.6] %; Omega3 = 0.108 [0.051, 0.227] g/100g; Selenium = 17.6 [6.4, 50.3] μg/100g; VitaminA = 43.6 [12.4, 142.8] μg/100g; Zinc = 2.24 [0.71, 4.02] mg/100g (wet weight);