Species: Tigrigobius macrodon, Tiger goby

Tigrigobius macrodon (Beebe & Tee-Van, 1928)

Tiger goby

Elongate; head compressed, profile rounded; snout short; upper lip separated from snout by a deep groove; teeth in upper jaw with 3-4 rows, outer row enlarged, inner row not enlarged, large canines absent; lower jaw with 3-4 rows of teeth, outer and inner rows not enlarged, large canines absent; gill membranes broadly joined to body under throat, with 5 rays; dorsal fin VII (front spines filamentous in both sexes, may extend back to the middle of the second dorsal) + I, 10 (10-11); length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 9 (8-10); pectoral fins 17 (16-18); pelvic fins I,5, disk complete; tail rounded; tail base with 2 scales; tail fin base with 4 large very rough scales; no lateral line.