Jellyfish as a species are actually older than dinosaurs and sharks.
383
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Parrot parents "name" their children with a signature call.
112