Jellyfish as a species are actually older than dinosaurs and sharks.
383
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Lobsters have blue blood.
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