Ahaetulla
| Ahaetulla | |
|---|---|
| File:Ahaetulla prasina (1).jpg | |
| Ahaetulla prasina | |
Scientific classification  |
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Lamprophiidae |
| Subfamily: | Colubrinae Link, 1807 |
| Genus: | Ahaetulla |
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Ahaetulla is a genus of colubrid snakes commonly referred to as vine snakes, or whip snakes. They are mildly venomous and what is commonly termed as 'rear-fanged' or more appropriately, opisthoglyphous, meaning their enlarged teeth or fangs, intended to aid in venom delivery, are located in the back of the upper jaw, instead of in the front as they are in vipers or cobras.
Contents
Geographic range
They are found from Sri Lanka and India to China and much of Southeast Asia, including many Pacific Islands.
Species
The taxonomy of vine snakes is not well-documented, and literature varies widely, but there are 8 commonly accepted species in the genus Ahaetulla:
- Günther's Vine Snake or Indian Bronzeback, Ahaetulla dispar (Günther, 1864)
- Speckle-headed Whipsnake, Ahaetulla fasciolata (Fischer, 1885)
- Burmese Vine Snake, Ahaetulla fronticincta (Günther, 1858)
- Malayan Green Whipsnake, Ahaetulla mycterizans (Linnaeus, 1758)
- Long-nosed Whip Snake, Ahaetulla nasuta (La Cépède, 1789)
- Western Ghats Bronzeback, Ahaetulla perroteti (Duméril & Bibron, 1854)
- Oriental Whipsnake or Asian Vine Snake, Ahaetulla prasina (Boie, 1827)
- Ahaetulla prasina prasina (Boie, 1827)
- Ahaetulla prasina medioxima Lazell, 2002
- Ahaetulla prasina preocularis (Taylor, 1922)
- Ahaetulla prasina suluensis Gaulke, 1994
- Brown-speckled Whipsnake, Ahaetulla pulverulenta (Duméril & Bibron, 1854)
Description
All Ahaetulla species are characterized by thin, elongated bodies, with extremely long tails and a sharply triangular shaped head. They are primarily green in color, but can vary quite a bit to yellows, oranges, greys, and browns. They can have black and/or white patterning, or can be solid in color. Their eyes are almost unique in the reptile world, having keen binocular vision and keyhole shaped pupils, being similar in this aspect with twig snakes, who also have keyhole shaped pupils.
Etymology
The genus name Ahaetulla comes from the Sinhalese name ehetulla for Ahaetulla nasuta, which means 'eye plucker' or 'eye striker.[1]
Behavior
They are primarily diurnal and arboreal, living in humid rainforests. Their diet consists mainly of lizards, but sometimes frogs and rodents are also consumed. Ahaetulla fronticincta, however, feeds exclusively on fish, striking its prey from branches overhanging water. Ahaetulla venom is not considered to be dangerous to humans, but serves to cause paralysis in their fast moving prey choices. They are ovoviviparous.
In captivity
Ahaetulla species are frequently imported into the exotic pet trade. They are difficult to care for, requiring a humid arboreal habitat and a diet of lizards as they rarely switch to rodents. They also stress easily, are prone to skin infections, and internal parasites.
References
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External links
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Wikimedia Commons has media related to Ahaetulla. |
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