Only lives in Madagascar and spends most of its time sunbathing with its arms out like a little weirdo.
Fun fact: Their ancestors reached Madagascar by rafting across 400 kilometres of open ocean roughly 60 million years ago.
Rent-free living inside a poisonous anemone, and all they have to do is tidy up a bit.
Fun fact: All clownfish are born male; the dominant individual in a group permanently changes sex to female.