Cocotropus Richeri (Cocotropus richeri), first described by Fricke, 2004 is a tiny fish in the family Aploactinidae (order Perciformes). Adults typically reach 2.10 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 65 to 116 metres. It occurs in Temperate waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.
Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 2; Anal soft rays: 7. This species is distinguished by the following characters: D XIII,10, the last ray divided; A II,7: pectoral fin rays 13; gill rakers 2 + 5 = 7 (some rudimentary); preopercular spines 5; upper jaw longer than the lachrymal length; no papillae on both posterior portion of upper jaw and outer edge of lower jaw; first sensory pores of lower jaw separate; anterior tip of isthmus not reaching forward to level of 5th sensory pore on lower jaw; spiny portion of dorsal fin with a large black blotch which extends onto the back .
Behavioural data for Cocotropus Richeri is currently being reviewed.
Marine; demersal; depth range 65 - 116 m . Temperate
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