Species: Bollmannia umbrosa, Dark-lipped goby, Dusky goby

Bollmannia umbrosa Ginsburg, 1939

Dusky goby, Dark-lipped goby

Head & body compressed; body relatively slender (greatest depth 17.5-24% of SL); head rounded, elongate (> 25% of SL); eye large, 7-9.5% of SL; mouth large, very oblique; teeth in several rows; dorsal fin VII (slightly filamentous spines, longest spine (5th) reaching base of 4th-5th  soft ray) + I, 12-13; anal I, 13-15; last rays of dorsal & anal reach base of tail fin; pectoral rays 23-25, reaches past origin of anal fin; pelvics fused to form disc, front margin of disc scalloped, nearly reaching anus; tail base slender (least depth 9-11% of SL, > eye diameter); tail fin long (> 30% of SL), strongly pointed; scales large (26-28 rows along body), rough; 7-9 scales before dorsal fin; 1-2 large + 1-2 small scales on upper 1/2 of opercle, several medium sized scales on upper 1/2 of preopercle & 1-2 large + several small scales on lower half; 6-8 medium sized scales on base of pectoral fin.