Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Acanthuridae
(Surgeonfishes, tangs, unicornfishes) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335). More on author: Lacepède.
Environment / Climate / Range
Marine; brackish; reef-associated. Tropical
Length at first maturity / Size / Weight / Age
Maturity: Lm 35.0  range ? - ? cm
Max length : 60.0 cm SL male/unsexed; (Ref. 37792)
Western Indian Ocean: Mozambique, Mauritius, Reunion (Ref. 54356), and Seychelles. Probably more wide-ranging in the area. Western Central Pacific: Guam (Ref. 35720) and Australia (Ref. 2334).
Occurs in coral reefs. Diet consisted a high proportion of the green alga, Caulerpa.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Randall, J.E., 2002. Surgeonfishes of the world. Mutual Publishing and Bishop Museum Press, Hawai'i. 123 p. (Ref. 37792)
IUCN Red List Status (Ref. 96402)
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 (0.01041 - 0.05528), b=2.94 (2.75 - 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
): Medium, minimum population doubling time 1.4 - 4.4 years (tm=4; K=0.428; Tmax=25).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (33 of 100) .