Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Acanthuridae
(Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
Environment / Climate / Range
Marine; reef-associated; depth range 0 - ? m (Ref. 27115), usually 0 - 20 m (Ref. 27115). Tropical; 24°C - 30°C (Ref. 27115)
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 30573)
Western Indian Ocean: Red Sea to the Persian Gulf.
A common species found in seaward edges of reefs exposed to surge (Ref. 9710). Aggressive and territorial (Ref. 9710). Feeds on various kinds of algae, mainly Sargassum, and fine filamentous green algae. Caught with nets (Ref. 30573).
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02399 (0.01160 - 0.04961), b=2.96 (2.79 - 3.13), based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.0 ±0.00 se; Based on food items.
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low to moderate vulnerability (33 of 100) .