Ctenochaetus truncatus Randall & Clements, 2001
Indian gold-ring bristle-tooth
photo by Schneidewind, F.

Family:  Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Acanthurinae
Max. size:  16 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 1 - 21 m
Distribution:  Indian Ocean.
Diagnosis:  Dorsal spines (total): 8-8; Dorsal soft rays (total): 25-27; Anal spines: 3-3; Anal soft rays: 23-25. Body with numerous very small blue to yellow spots in life. Caudal concavity at most 16.5 in SL (Ref 42056). Description: Characterized further by orange brown to dark brown body color; juvenile bright yellow in color; greatest depth of body 1.8-2.1 in SL (Ref. 90102).
Biology:  Inhabits sheltered inner reef crests and slopes. Usually among large corals or in gutters, singly or in small groups (Ref. 48637).
IUCN Red List Status: Least Concern (LC); Date assessed: 07 May 2010 Ref. (130435)
Threat to humans:  harmless


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