Cocotropus Possi (Cocotropus possi), first described by Imamura & Shinohara, 2008 is a tiny fish in the family Aploactinidae (order Perciformes). Adults typically reach 3.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Temperate waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.
Dorsal spines (total): 8; Dorsal soft rays (total): 7 - 8; Anal spines: 2; Anal soft rays: 7; Vertebrae: 26. This species is characterized by the following: D XIII, 8;, pectoral-fin rays 13; vertebrae 26; preopercular spines 5; upper jaw longer than lachrymal; fleshy papillae on posterior portion of maxilla absent; vomerine teeth absent; many well-developed fleshy papillae on ventral surface of lower jaw; first sensory pores on both sides of lower jaw separate; isthmus tip extending to level of between fourth and fifth sensory pores of lower jaw; body mostly uniformly dark brown .Cross section: compressed.
Behavioural data for Cocotropus Possi is currently being reviewed.
Marine; demersal. Temperate Northwest Pacific: Japan.
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