Long-finned goby

The long-finned goby is a tropical, demersal and amphidromous fish that are found in the waters of the Indo-West Pacific region: from Kenya to Transkei in South Africa and eastward to the tropical Western Pacific region.

The male long-finned goby grows up to 13.5 cm in total length. It has 7 dorsal spines, 12 to 13 dorsal soft rays, 1 anal spine, 13 anal soft rays. The body is violet in color.

The dorsal, anal, and caudal fins have pink coloration. The first dorsal fin has 2 blue lines. The second dorsal fin has blue spots. The anal fin possesses yellow and violet margins. The paired fins are orange in color. The pectoral fins have blue spots.

Subfamily

Long-finned goby is a Goby fish belonging to the Gobionellinae subfamily of the Gobiidae family in the order Perciformes. The long-finned goby are used in commercial fishing and for the aquarium industry.  Long-finned goby exists in the Mekong Delta waters and may penetrate up to the tidal zone as far as Cambodia. It thrives in brackish or marine waters up to 75 meters depth. The long-finned goby can be also be found in estuaries and inshore waters.