closeup on the critically endangered anderson's crocodile newt or ryukyu spiny newt, echinotriton andersoni

amphibia amphibian andersons chordata caudata echinotriton andersoni iucn redlist japanese nature salamandridae urodela animal biodiversity biology closeup critically endangered endemic herpetology macro newt outdoors predator protected rare salamander single tailed vertebrate wild wildlife zoology detailed crocodile ryukyu spiny