The Japanese long-eared bat is recorded in Japan and is notable for its long ears. Daytime refuges include tree hollows and caves; a Kyushu study also reported abandoned mines and tunnels.
The Saitama Prefectural Museum of Nature describes its ears as long like a rabbit's.
It is described as resting by day in tree hollows and caves. A Kyushu paper also records roosts in abandoned mines and tunnels.
An extinction-risk assessment has not been added yet.