Country: Ryukyu Islands (Japan)
Distribution of Terrestrial Snakes in The Far East
Elapids
| Sinomicrurus boettgeri | X | Okinawa Island group only |
| Sinomicrurus iwasakii | X | Southern Ryukyus (Ishigaki and Iriomote islands) |
| Sinomicrurus japonicus | X | Amami island group (known from Amamioshima to Tokunoshima) |
Colubrids
| Rhabdophis tigrinus | X |
Pit Vipers
| Gloydius tsushimaensis | X | Tsushima Island only |
| Ovophis okinavensis | X |
| Protobothrops elegans | X | |
| Protobothrops flavoviridis | X | |
| Protobothrops tokarensis | X |