| Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Acanthurinae |
| 50 cm TL (male/unsexed); max. reported age: 23 years |
|
reef-associated; depth range 5 - 100 m |
| Indo-Pacific: Red Sea south to Natal, South Africa and east to the Marquesas and Tuamoto islands, north to southern Japan, south to the southern Great Barrier Reef and New Caledonia. |
|
Dorsal spines (total): 9-9; Dorsal soft rays (total): 24-26; Anal spines: 3-3; Anal soft rays: 23-24. Body brown; head banded; fins brown. Capable of changing color to pale bluish overall. Behind eye a yellow area and 2 yellow bands extending anterior from eye. A single, sharp, forward-pointing erectile spine which folds down into a horizontal groove on each side of the caudal peduncle; spine in white sheath. Gill rakers 13-15 in both anterior and posterior rows. Scales minute.
Description: Characterized further by having small caudal spine; slender body, greatest depth 2.1-2.5 in SL (Ref. 90102). |
| Adults inhabit steep slopes, often in turbid waters, generally in the vicinity of coral reefs (Ref. 58652) or rocky bottoms. They form resident spawning aggregations (Ref. 27825, 48637). Adults often seen in schools, feeding mid-water on plankton (Ref. 48637). Feed on zooplankton. Marketed fresh. Flesh is almost never poisonous (Ref. 4795). |
|
(Ref. 96402)
|
| venomous |
|
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