giant mudskipper fish or amphibious fish periophthalmodon schlosseri on low tide muddy swamp river bank mangrove forest at parit

abstract amphibious animal bank barbarus beach biology blue cement climbing closeup concrete detail dirty ecology fins fish fishing forest giant gray grunge java low malaysia mangrove muar mud muddy mudflat mudskipper natural nature outdoor parit pattern periophthalmodon periophthalmus river rough schlosseri sea spot spotted surface swamp texture textured tide tropical water wet wetland wild wildlife