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are hermaphrodites like their garden cousins, with a set of
reproductive organs for both sexes. However, they can rarely fertilise
Their bright colours and intricate designs serve to ward off predators as well as providing an eye-catching display for curious divers.
whose name means 'naked gills', grow from just one-inch-long up to 24
inches and live in salt water across the globe.
come in a spectacular range of colours and shapes, and they're very
eye-catching even underwater.
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