Grows to an average length of 4-5 feet (122-152 cm). With a maximum of 7.5 feet (229 cm), it is the largest member of its genus. Slenderly built and gracefully proportioned with a large head. The tail, however, is not prehensile.
Scalation includes 35 (sometimes 31, 33, 37 or 39) rows of dorsal scales at midbody, 217-239 ventral scales, 72-95 subcaudal scales and 7-10 supralabial scales.[2] The crown is covered with small scales.
The color pattern consists of a light olive of brown ground color overlaid with elongated dark green or brownish blotches. The blotches have yellow edges, sometimes contain yellow spots, and frequently fuse to produce wavy stripes. The belly is whitish with dark coloring along the edges.
Found in Japan in the Ryukyu Islands, including Okinawa and the Amami Islands. The type locality given is "Amakarima Island (one of the Loo-Choo group)" (= Keramashima, Ryukyu Islands).
Common on the larger volcanic islands, but not present on the smaller coral islands. Often reported in the transition zone between palm forest and cultivated fields. Found on rock walls and in old tombs and caves
Terrestrial and mostly nocturnal, it often enters homes and other structures in search of rats and mice. Bold and irritable, it can strike quickly and has a long reach.
Oviparous, it is one of the few pitvipers that lays eggs. Mating takes place in early spring and up to 18 eggs are laid in mid-summer. The hatchlings, which emerge after an incubation period of 5-6 weeks, are 10 inches (25 cm) in length and look the same as the adults.
To reduce the population on the island of Okinawa, the small Indian mongoose, Herpestes javanicus, was introduced in 1910. Although the effects of this introduction have not been studied, in other such cases the negative effects on species of native birds, mammals, and herpetofauna have been a source of concern for wildlife managers.
The incidence of snakebite in the Amami Islands is 2 per 1,000 people, which is very high. The venom of this species is of high toxicity, yet the fatality rate is only 3%. If a bite victim receives medical care promptly, bites are not life-threatening. However, 6-8% do suffer permanent disability.
On the island of Okinawa, this species is heavily collected, primarily for use in habu sake. Actually not sake, but a stronger liquor called awamori, it is alleged to have medicinal properties. The production includes the snakes in the fermentation process and it is sold in bottles that may or may not contain the body of a snake.
Scalation includes 35 (sometimes 31, 33, 37 or 39) rows of dorsal scales at midbody, 217-239 ventral scales, 72-95 subcaudal scales and 7-10 supralabial scales.[2] The crown is covered with small scales.
The color pattern consists of a light olive of brown ground color overlaid with elongated dark green or brownish blotches. The blotches have yellow edges, sometimes contain yellow spots, and frequently fuse to produce wavy stripes. The belly is whitish with dark coloring along the edges.
Found in Japan in the Ryukyu Islands, including Okinawa and the Amami Islands. The type locality given is "Amakarima Island (one of the Loo-Choo group)" (= Keramashima, Ryukyu Islands).
Common on the larger volcanic islands, but not present on the smaller coral islands. Often reported in the transition zone between palm forest and cultivated fields. Found on rock walls and in old tombs and caves
Terrestrial and mostly nocturnal, it often enters homes and other structures in search of rats and mice. Bold and irritable, it can strike quickly and has a long reach.
Oviparous, it is one of the few pitvipers that lays eggs. Mating takes place in early spring and up to 18 eggs are laid in mid-summer. The hatchlings, which emerge after an incubation period of 5-6 weeks, are 10 inches (25 cm) in length and look the same as the adults.
To reduce the population on the island of Okinawa, the small Indian mongoose, Herpestes javanicus, was introduced in 1910. Although the effects of this introduction have not been studied, in other such cases the negative effects on species of native birds, mammals, and herpetofauna have been a source of concern for wildlife managers.
The incidence of snakebite in the Amami Islands is 2 per 1,000 people, which is very high. The venom of this species is of high toxicity, yet the fatality rate is only 3%. If a bite victim receives medical care promptly, bites are not life-threatening. However, 6-8% do suffer permanent disability.
On the island of Okinawa, this species is heavily collected, primarily for use in habu sake. Actually not sake, but a stronger liquor called awamori, it is alleged to have medicinal properties. The production includes the snakes in the fermentation process and it is sold in bottles that may or may not contain the body of a snake.
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