Thus it most likely gave live birth to its young like modern sea snakes.

Most sea snakes are able to breathe through their skin.

This ultimately lead to an animal similar to today's sea snakes.

A key to the sea snakes in the gulf of Thailand.

It is the only sea snake with spines on the head.

Both members are very venomous, as with all sea snakes.

Observations suggest sea snakes are active both day and night.

Most sea snakes grow to sizes between 1.2 m and 1.4m, some can reach 2m or more.

Nevertheless, all sea snakes should be handled with great caution.

She emerged from the shadows behind an aquarium of sea snakes.