Add Yahoo as a preferred source to see more of our stories on Google. The Olive sea snake has special valves in its nose to keep water out while its swimming.© DNC40/Shutterstock.com Apart from its ...

Humans use a snorkel and fish have gills. Now researchers have found a sea snake which uses a complex system of blood vessels in its head to draw in extra oxygen when it dives and swims underwater.

GAINESVILLE, Fla. --- Sea snakes are an evolutionary success story. With about 70 species, they're the most diverse reptile group in the ocean, outnumbering sea turtle species 10-to-1. They sport a ...

The Olive sea snake has special valves in its nose to keep water out while its swimming.© DNC40/Shutterstock.com Sea snakes are among the most venomous reptiles on the planet, having evolved powerful ...

Sea snakes are often more venomous than their land-dwelling counterparts. Though their venom isquite potent, sea snakes tend to be docile and calm. Apart from its remarkable size, the olive sea snake ...