closeup on a dark and rare japanese endemic ishizuchi streamside

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