Ostorhinchus doederleini (Jordan & Snyder 1901)

Distinguished by having the following characteristics: dorsal fin rays VII-I, 9; anal fin rays II, 8; pectoral fin rays 15; pelvic fin rays I, 5; pored lateral line scales 24; predorsal scales 3; circumpeduncular scales 12; body pinkish brown, with four dark brown stripes on lateral surface of body; third stripe posteriorly not reaching to a black spot on caudal fin base; caudal fin base spot subequal in size to pupil diameter (Ref. 93839).

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

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

Commonly occurs in rocky areas near shore and abundant on ledges. Solitary but pair off during breeding. Mouth brooding is done by the male. Nocturnal species (Ref. 7300).