Crafty cuttlefish change colour to outwit mating rivals

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Crafty cuttlefish change colour to outwit mating rivals

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Crafty cuttlefish change colour to outwit mating rivals

17 October 2016 Last updated at 05:36 BST

Some male cuttlefish use a clever trick to evade bigger rivals when competing for a mate – they change colour to look female.

Marine expert Sheree Marris witnessed this crafty cross-dressing while filming thousands of cuttlefish converging in the shallows off Australia”s southern coast.

Video: Sheree Marris