The Sakishima green snake (Ptyas herminae) is a species of snake in the family Colubridae.

[3] P. herminae is found in the Yaeyama Islands of Japan.

[1] The preferred natural habitat of P. herminae is forest.

[2] An adult female may lay a clutch of about eight eggs in August, which is later than other species of terrestrial snakes lay eggs in the Ryukyus.

This article relating to Colubrinae is a stub.