Russet coral goby (Gobiodon cobenjaminsis), first described by Hildebrandt, Froehlich, Brodnicke, Klanten, Møller & Wong, 2024 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 1.90 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.
Dorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 10; Vertebrae: 26. This species is distinguished by the following set of characters: D VI, I,10; A I,10; naked head and body; obvious groove between the isthmus and interopercle; body compressed and deep (depth at pelvic fin origin 39.4-45.0% of SL); rounded head in adults; dorsal fins fused with membrane; caudal peduncle relatively deep (15.5-18.7% of SL); long caudal fin (22.2-29.3% of SL); absence of post symphysial teeth, dentary elongate and recurved; teeth of two to three various sizes in several rows; cheek papillae elongate; adult orange-brown in colour with black margins on all fins except pectoral fins; black spot on the upper opercular margin; fins lighter in colour than body, with lighter oblique patch on cheek and 3-4 lighter bands on facial area .Cross section: compressed.
Behavioural data for Russet coral goby is currently being reviewed.
Marine; reef-associated. Tropical Central Atlantic: Papua New Guinea.
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