Ostorhinchus nigrofasciatus (Lachner 1953)

Characterized by having dorsal fin rays VII-I, 9; anal fin rays II,8; pectoral fin rays 14; pelvic fin rays I, 5; pored lateral line scales 24; predorsal scales 4; circumpeduncular scales 12; total gill rakers 24, developed gill rakers 18; snout pointed; body white in color (Ref. 93839). Further characterized by alternating black and yellow stripes, dark stripes wider; greatest depth of body 2.6-3.1 in SL (Ref. 90102).

Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).

Dorsal spines (total): 8; Dorsal soft rays (total): 9; Analspines: 2; Analsoft rays: 8

Nocturnal species (Ref. 75154) which is found in caves or other projections in the vicinity of coral reefs (Ref. 9137, 58534). Exhibits the black gut phenomenon. In nocturnal predators, it appears to serve to conceal bioluminiscent prey in the stomach cavity (Ref. 46685).

Occurs on reef flats and shallow lagoon reef, usually seen singly or in pairs under ledges or in crevices. Feed on small benthic invertebrates at night (Ref. 2141).