Protobothrops elegans

Protobothrops elegans is a pit viper species endemic to Japan in the southern Ryukyu Islands.

[3][4] Common names include: elegant pit viper,[1][3][4][5] Sakishima habu (サキシマハブ),[6] and elegant tree viper.

[5] During 1965–2011, 2447 snakebites from this snake are reported with one fatality.

while Gray's original 1849 description gives "West Coast of [North?]

A restriction to "Ishigaki-Shima [Ryukyu Islands, Japan]" was proposed by Stejneger (1907).