blue-spotted mudskipper on the mud.

amphibious animal asian background beach beautiful biology blank blue bluespotted book brown closeup coast coastline creature decreases ecology environment eyes fish forest going hole its mangrove muck mud muddy mudflat mudskipper nature ocean outdoor periophthalmodon periophthalmus schlosseri sea shore shoreline sludge slush spot spotted swamp thailand time tropical water wet wetland when wild wildlife yellow