Habu, four different species of venomous snake that exist in certain islands including Okinawa, the Sakishima Islands and the Tokara Islands, but not on the islands of Honshu, Kyushu, Shikoku, Hokkaido.
Mamushi, a species of venomous snake that exists in all areas of Japan except certain islands including Okinawa and Amami Ōshima.