closeup on a dark and rare japanese ishizuchi endemic streamside salamander , hynobius hirosei

amphibia amphibian asia asian salamander asiatic black chordata caudata ecology hynobidae hynobius hirosei ishizuchi japan japanese nature other5 urodela animal biology close closeup detailed endangered endemic herpetofauna herpetology macro newt outdoors predator rare single slimy speckled subadult streamside streamtype tailed vertebrate wild wildlife zoology dark ground wood