A shark gives birth to 8 pups prematurely from a wound sustained in a fight with another shark.

When vets in a New Zealand aquarium heard that two sharks were attacking each other they didn't expect a happy ending.

But when they arrived at the scene they found more than just a wounded victim.

Unknown to them the injured shark was pregnant .

Four pups were swimming in the tank beside her and when they took the mum for treatment they found another four inside.

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