Family : Acanthuridae (Surgeonfishes, tangs, unicornfishes) , subfamily: Nasinae
Order : Perciformes  (perch-likes)
Class : Actinopterygii (ray-finned fishes)
Fishbase Name : Humpback unicornfish
Fish Name : Naso brachycentron
Max size : 90.0 cm FL (male/unsexed; Ref. 1602)
Environment : reef-associated ; depth range 2 - 20 m
Climate : tropical; 25 - 28°C; 33°N - 25°S
Global Importance : aquarium: commercial
Resilience: Low, minimum population doubling time 4.5 - 14 years (K=0.429; Tmax=31)Distribution : Indo-Pacific: East Africa to the Marquesan and Society islands, north to the Ryukyu Islands, south to Vanuatu.
Diagnosis : Dorsal spines (total): 4-5; Dorsal soft rays (total): 28-30; Anal spines: 2-2; Anal soft rays: 27-28. Distinctive humped back; horn only in adult males. A few scattered small dark-edged pale spots on postorbital head and body above pectoral fins. No white margin posteriorly on caudal fin. Profile of snout from mouth to eye strongly sloping, forming an angle of about 40° to horizontal axis of body (Ref 9808).
Biology : Inhabits deep coastal, usually in small groups but occasionally in large schools (Ref. 48637). An uncommon species found in seaward reef slopes (Ref. 9710, 48637), also along rocky shores (Ref. 30573). Feeds on benthic algae (Ref. 30573). Caught with nets (Ref. 30573)
Threatened : Dangerous:  
Dangerous : harmless
Coordinator : Randall, John E.
Main Ref : Myers, R.F.. 1991. (Ref. 1602)

India country information
Common Names : കൊന്വന് കറുക്കന്, കൊന്പന് കരുക്കന് , Komban-karukkan
Status : native
Salinity : marine
Uses : no uses