Not the baby shark you’re thinking of: Tiger sharks hunt and eat each other in the womb in bloody scenes

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A baby shark hunts, kills and eats its own siblings in the womb in horrific scenes from a new documentary

In a clip from the National Geographic programme Cannibal Sharks, which will form part of their Sharkfest series this summer, it is revealed that shark cannibalism begins in the womb.

Female sand tiger sharks have two wombs and often conceives six or seven embryos in each womb at once, often sired by different fathers, but they only give birth to two shark pups.

While scientists were previously baffled, new technology has revealed that as soon as the oldest embryo develops eyes and teeth, it hunts and kills its siblings in the womb.

The shark hunts and kills in the womb (Picture: National Geographic)

Footage shows a baby shark, complete with tiny, sharp teeth, ripping into embryos inside the stomach of its mother.

One particularly grim moment shows the baby shark tearing into an embryo than then bursts in its mouth.

The sand tiger shark’s taste for its own kind continues throughout its life.

Shark expert Doctor Yannis Papastamatiou, who leads the Predator Ecology and Conservation Lab at Florida International University, tells the show that sharks are pretty stone cold about eating each other: ‘They just hunt, it’s a prey source, they’re just food.

‘They’re much simpler than mammals which have much more complex reasons for killing each other. It’s very common.’

The shocking programme will also show the mutilated corpses of great white sharks, who have fought with other sharks in the ocean.

Cannibal Sharks airs 15 July at 8pm on National Geographic WILD.

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