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Sea snakesIdentify a snake
Marbled Sea Snake
Aipysurus eydouxii
A small sea snake specialized for feeding on fish eggs rather than active prey.
- Adult length
- 0.5-0.7 m (1.6-2.3 ft)
- Range
- Coastal waters of Southeast Asia and northern Australia
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Overview
The marbled sea snake, Aipysurus eydouxii, is notable among sea snakes for its dietary specialization on fish eggs.
How to identify it
- Small, moderately stout body
- Grayish to brownish coloration with irregular darker mottled or marbled blotches
- Small head
- Paddle-shaped tail
- Adults typically under 0.7 m
Habitat & range
Found in shallow coastal waters, estuaries, and muddy or sandy bottoms across Southeast Asia, extending to northern Australian waters.
Behavior, diet & reproduction
Feeds almost exclusively on fish eggs, an unusual specialization among sea snakes. Reproduction is ovoviviparous, with live young born at sea.
Frequently asked questions
What does the marbled sea snake eat?
It feeds almost exclusively on fish eggs, unlike most sea snakes which hunt live fish.
Where is it found?
In shallow coastal waters of Southeast Asia and northern Australia.
Marbled Sea Snake guides
In-depth guides for identifying and understanding Marbled Sea Snake.
