A Mudskipper fish gulping for air using it's mouth with it's bulging eyes peeking out of the water and body submerged - Close up

mudskipper fish habitat wildlife bottom submerged mouth national geographic nat geo animal characteristic mud environment zoology out water river shallow save muddy fins surface protect peeking unique nature mother nature gulping wild look eyes natural wilderness looking steady preserve trait global warming using climate change alone body air behavior relaxing skin life single bulging