sentence: Most sea snakes prey on fish, especially eels.
sentences_after: The latter stiffens and dies within seconds when bitten. One species prefers molluscs and crustaceans, such as prawns. Some reef dwelling species have small heads and thin necks, making it possible for them to get small eels from the soft bottom where they hide.
concept_name: sea
headings: Sea snake Poison Natural function
categories: Elapidae