Tropical sea snake uses its head to 'breathe'

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.

Heatwave devastates wildlife populations in World Heritage Site

Large numbers of dugongs, sea snakes and other marine animals disappeared from the UNESCO World Heritage Site Shark Bay, Western Australia, after a heat wave devastated seagrass meadows, according to recently released research.

Sea snakes make record-setting deep dives

Sea snakes, best known from shallow tropical waters, have been recorded swimming at 250 metres in the deep-sea 'twilight zone', smashing the previous diving record of 133 metres held by sea snakes.

'Seeing' tails help sea snakes avoid predators

New research has revealed the fascinating adaptation of some Australian sea snakes that helps protect their vulnerable paddle-shaped tails from predators.

Sea snakes that can't drink seawater

Surrounded by salty water, sea snakes sometimes live a thirsty existence. Previously, scientists thought that they were able to drink seawater, but recent research has shown that they need to access freshwater. A new study ...

Variable venom—why are some snakes deadlier than others?

An international collaboration led by scientists from the National University of Ireland, Galway, The University of St Andrews, Trinity College Dublin and the Zoological Society of London has uncovered why the venom of some ...

Why are there no sea snakes in the Atlantic?

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.

The new yellow sea snake assumes an unusual ambush posture

Carrying its petite frame and all-yellow skin, the recently scrutinized sea snake populations from Golfo Dulce, Costa Rica, already seem different enough to be characterized as a new subspecies. However, their most extraordinary ...

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