Description of a Small Goby, Trimma grammistes (Perciformes: Gobiidae), from Jeju Island, Korea

Abstract

A small goby, Trimma grammistes, was described in detail as the first reliable record from Korea based on 10 specimens (27.8 similar to 34.0 mm SL) collected from the coastal waters of Jeju Island. The species is easily differentiated from congeners by having no scales on the predorsal region, VI-I, 10 dorsal fin rays modally, I, 10 anal fin rays, 18 pectoral fin rays, 27 similar to 30 longitudinal scales as well as two dark longitudinal bands on the body.