closeup on the endangered riu-kiu sword-tailed fire-bellied newt, cynops ensicauda ensicauda

amphibia amphibian chordata caudata cynops ensicauda japan japanese nature newt salamandridae sword tailed urodela animal aquatic asian beautiful biology bright closeup ecology endangered endemic fire bellied firebelly firebellied tank freshwater green herpetology indoors orange outdoors pet predator red salamander single threatened underwater vertebrate wild wildlife zoology riukiu swordtailed