7240 Mahidolia mystacina (Valenciennes, 1837) Gobiidae Gobies Gobiinae Gobiiformes Teleostei Flagfin prawn goby Indo-Pacific: East Africa south to Delagoa Bay, Mozambique (Ref. 2798) and east to the Society Islands, north to southern Japan (?), south to northern Australia and Samoa. FISH 387165 5 S 150 E 1994 Mahidolia mystacina