The sex-changing fish from Finding Nemo | BBC Wildlife - BBC Discover Wildlife
How do you find a mate in the vast blue desert of the ocean? A fish could swim for months and when they finally stumble upon a member of their species, they turn out to be the same sex. Evolution has endowed more than 500 species of fish with a cunning solution: switch sex to complement your new partner – whatever their sex may be. Clownfish swimming in coral reef. © tiaramaio/Getty Seeing Finding Nemo with fresh eyes The most famous of these oceanic hermaphrodites are the clownfish (also known as anemonefish): the stars of Finding Nemo – a film about a young clownfish who loses his mum to a barracuda and ends up going on an incredible, ocean-going adventure before being reunited with his dad, Marlin. Needless to say the animated movie takes more than a pinch of artistic licence. These monogamous reef dwellers set up home together in an anemone, whose stinging tentacles offer the couple, and their eggs, protection. A biologically accurate version of the blockbuster would therefore ha