As with the eels that the snakes prey on, the paralysis of any muscles involved in breathing or swallowing may be fatal. In the case of serious bites, sea snake antivenom can be administered.

Glottis: Located at the front of the mouth, this allows the snake to breathe even while swallowing large prey.The glottis can move to the side to keep the airway open. Lungs: Instead of having two ...