The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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The male seahorse carries babies and 'gives birth' to them instead of the female.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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