Sea Raven

Body covered with many small tubercles; head large, with numerous bony humps and ridges; spinous dorsal fin deeply emarginate, its base longer than that of the soft dorsal fin; jaws, prevomer and palatines with broad bands of conical teeth (Ref. 559).

Spawn in the calcareous deposits of colonies of the polychaeta, Salmacinasp. which makes them more of 'cavity spawners' than 'spawners in live vertebrate' (Ref. 34819, 26281).

Dorsal spines (total): 17 - 19; Dorsal soft rays (total): 11 - 13; Analspines: 0; Analsoft rays: 12 - 15

The principal food at 10-16 cm length are mysids and shrimp. Becomes primarily piscivorous at lengths of 16-18 cm in the second year of life (Ref. 41408).

Hemitripterus villosus, the sea raven, is a species of marine ray-finned fish belonging to the subfamily Hemitripterinae of the family Agonidae. The sea raven is found in the northwestern Pacific Ocean off the coast of Russia and Japan.