Started as Provençal farmers chucking leftover veg in a pot, then a cartoon rat made it famous.
Fun fact: The layered version in the Pixar film is a separate dish called confit byaldi, designed by Thomas Keller.
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.