Scott R.) #venomous #snake #reptile #japan #asia #food Loading... Hide notes 30 31 32 rhamphotheca en.wikipedia.org → Okinawa Habu ( Trimeresurus flavoviridis ) … a venomous pitviper species found in Japan in the Ryukyu Islands . Grows to an average length of 4-5 feet (122-152 cm). With a maximum of 7.5 feet