Wall's Sea Snake
Hydrophis walli
A little-known sea snake from the northern Indian Ocean, named after herpetologist Frank Wall who described many South Asian reptiles.
- Venomous?
- Venomous
- Adult length
- 0.6-0.9 m (2-3 ft)
- Range
- Coastal waters of the northern Indian Ocean, including the Bay of Bengal
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Overview
Wall's sea snake is a poorly documented marine elapid found in coastal waters of the northern Indian Ocean, including the Bay of Bengal. It is named after Frank Wall, a British Indian Army officer and herpetologist known for his extensive work cataloguing the snakes of South Asia in the early 20th century.
As with several regional Hydrophis species named after early herpetological collectors, Wall's sea snake remains relatively rarely encountered and less studied than more widespread sea snake species.
How to identify it
- Slender to moderately built body
- Pale grey or olive coloration with darker crossbands or blotches
- Smooth, overlapping body scales
- Head narrow, not strongly distinct from neck
- Laterally flattened, paddle-shaped tail
- Adults typically reach 0.6-0.9 m in length
Habitat & range
Found in shallow coastal waters of the northern Indian Ocean, particularly around the Bay of Bengal, over soft sediment substrates near river mouths and estuaries.
Behavior, diet & reproduction
Presumed to forage for small fish along the seabed, consistent with related Hydrophis species, using venom to subdue prey. Reproduction is ovoviviparous, with live young born in coastal waters.
Frequently asked questions
Is Wall's sea snake venomous?
Yes, it possesses neurotoxic venom typical of Hydrophis sea snakes.
Where is Wall's sea snake found?
It occurs in coastal waters of the northern Indian Ocean, including the Bay of Bengal.
Who is Wall's sea snake named after?
It is named after herpetologist Frank Wall, known for documenting South Asian reptiles.
How big does Wall's sea snake get?
Adults typically reach 0.6-0.9 m (2-3 ft) in length.
Wall's Sea Snake guides
In-depth guides for identifying and understanding Wall's Sea Snake.
