closeup on a black juvenile of the critically endangered japanese anderson& x27;s salamander, echinotriton andersoni

amphibia amphibian andersoni andersons animal biology black caudata chordata closeup critically echinotriton endangered endemic herpetology islands iucn japanese juvenile macro nature newt outdoors predator protected rare redlist riukiu salamander salamandridae single tailed urodela vertebrate wild wildlife zoology