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Megalodons dominated the oceans between 15m and 3.6m years ago
(Getty Images/iStockphoto)
Giant megatooth sharks – among the largest predators ever to exist on Earth – grew so large by feeding on the unhatched eggs of their siblings in the womb, new research suggests.
Also known as Megalodons, the now-extinct carnivores dominated the oceans 15 million to 3.6 million years ago, growing up to 50 feet (15 metres) in length.
According to a new study published in the journal
Historical Biology, they were typically already larger than most humans when they emerged from the womb, with a length of around 6.6 feet.