Gobius tetrophthalmus Brito & Miller 2001

Anterior nostril with single triangular or more elongate tentacle, posterior nostril pore-like, with slightly raised edges; angle of jaws below anterior edge of pupil; upper lip with equal to or slightly narrower than preorbital width; teeth caniniform, in three or four rows medially with outer and inner somewhat enlarged (Ref. 39517). Body pale brown with several dark brown blotches interspersed with pale saddles along dorsal midline, variously sized dark blotches along lateral midline; fine horizontal striae sometimes evident along the body; snout with antrorse V-like dark mark (Ref. 39517).

Dorsal spines (total): 7; Dorsal soft rays (total): 12 - 13; Analspines: 1; Analsoft rays: 12

Found most commonly on mixed coralline algae, but also on open sand and rock substrata, often with Gnatholepis thompsoni (Ref. 39517).

Gobius tetrophthalmus is a species of marine fish from the family Gobiidae, the true gobies. It occurs in the Atlantic Ocean around Cape Verde, western Africa, where it is found at depths from 7 to 25 metres (23 to 82 ft). It prefers areas with coralline algae though it will also inhabit areas with substrates of sand and rock. This species can reach a length of 7.8 centimetres (3.1 in) TL. It is harmless to humans.