Some people say attack is the best form of defence. But some animals have learned that being sneaky is even better. In the fight to survive, lots of animals have learned to cheat. Some of these masters of disguise can mimic other animals - usually ones that have deadly bites or poisonous stings, or just taste disgusting. Others can blend in with their surroundings, or even change colour to show what kind of mood they’re in.
Chameleons are famous for their ability to change colour. But they have plenty of other tricks up their multi-coloured sleeves.
Meet the mimic octopus, one of the sneakiest sea creatures. It mimicks disgusting or poisonous creatures to scare off predators.