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) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 2 - 122 m (Ref. 58302), usually 4 - 46 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115), preferred ?; 29°N - 36°S, 26°E - 137°W (Ref. 57250)

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

Indo-Pacific: Red Sea and East Africa to the Hawaiian, Marquesas and Ducie islands, north to southern Japan, south to Lord Howe Island. Excluding Oman and Persian Gulf (Ref. 86689). Eastern Central Pacific: Galápagos Islands.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 60.0 cm FL male/unsexed; (Ref. 1602)

Short description Morphology | Morphometrics

Dorsal spines (total): 6; Dorsal soft rays (total): 27-29; Anal spines: 2; Anal soft rays: 27 - 30. Adults bluish grey to olivaceous brown in color, commonly pale anteriorly and on cheek and throat; short irregular lines on sides of body; diagonal lines on horn; lip edges blue (Ref. 3145). Subadults with dark spots on head and body (Ref. 3145). Juveniles lack the prominent horn of adults (Ref. 1602).

Inhabit mid-waters along steep outer lagoon and seaward reef drop-offs. Also found along rocky shores (Ref. 30573, 48637). Benthopelagic (Ref. 58302). Usually in small groups but form large schools in oceanic locations or on reefs subject to strong currents (Ref. 48637). Juveniles and subadults feed on benthic algae; adults feed on zooplankton. Pair spawning has been observed. Caught with nets (Ref. 30573).

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

Probably spawn in pairs (Ref. 240).

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

Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)

IUCN Red List Status (Ref. 115185)

Least Concern (LC)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Reports of ciguatera poisoning (Ref. 30298)

Human uses

Fisheries: commercial; aquarium: commercial

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Internet sources

Naso brevirostris (Cuvier, 1829)