Periophthalmus koelreuteri. PERIOPHTHALMUS, a remarkable genus of acanthopterous fishes, allied to the gobies. Their eyes protrude and are very mobile; their pectoral fins can be used as legs." -Hazeltine, 1894

Mudskipper

Periophthalmus koelreuteri. PERIOPHTHALMUS, a remarkable genus of acanthopterous fishes, allied to the…