|Ryukyu Long-tailed Giant Rat|
|Common Name||Ryukyu Rat|
|Range||Ryukyu Islands, Japan.|
The Ryukyu long-tailed giant rat or Ryukyu rat (Diplothrix legata), is a species of murid in the family Muridae. It is the only species in the genus Diplothrix. It is found only in Ryukyu Islands, Japan. Its natural habitat is temperate forests. It is threatened by habitat loss.