Himehabu Snake

Ovophis okinavensis is a venomous pitviper species found in the Ryukyu Islands of Japan. No subspecies are currently recognized.

This is the longest Asian pitviper, adults are usually 30 to 80 cm long. Body usually pale greenish-brown, or yellowish-olive (sometimes pale brown), w/ alternating, darker brownish or greenish dorsal blotches, each bordered w/ yellowish scales. Head large, triangular, distinct from neck, narrow dark postocular stripe.

Scalation includes 23 or 21 rows of dorsal scales at midbody, 125-135 ventral scales, 36-55 paired subcaudal scales and 8 (sometimes 7 or 9) supralabial scales.

The color pattern consists of a gray ground color overlaid with a series of dark gray of grayish-black crossbands. A ventrolateral pattern of black spots against a gray-white background is also present.