This symbiosis is made possible because the juvenile clownfish coat themselves with the anemone's mucus by brushing against them over and over. That mucus contains a substance than inhibits the effects of the anemone's stinging cells.
This clownfish only lives symbiotically with two species of anemone: Heteractis magnifica and Stichodactyla gigantea.
According to one behavioural study, the orange clownfish is the one that leaves its host anemone the least: it almost never moves more than 12 cm away!
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