Scientific Name
Opistognathus castelnaui
Common Name
Castelnau's jawfish
Biology
Dorsal
spines
(total): 11;
Dorsal
soft rays
(total): 14;
Anal
spines: 3;
Anal
soft rays: 14. This species is distinguished by the following characters: elongated supramaxilla and posterior end of maxilla produced as a thin flexible lamina; upper jaw's inner lining and adjacent membranes with one or two conspicuous black stripes; dorsal half of dorsal fin usually dark except for narrow pale margin, remainder of fin pale and often with 8 or 9 evenly spaced dark blotches that extend onto basal fourth to third of fin and slightly onto dorsum; D XI,14; body with about 90-11 0 oblique scale rows; total gill rakers 28-35 (Ref. 81517).