Mondo Knows Facts
Clownfish coat themselves in mucus to avoid anemone stings
A thick sugar-protein coating prevents anemone nematocysts from firing.
Sea anemone tentacles are lined with microscopic stinging capsules that inject toxins into passing fish. Clownfish acclimate by brushing against tentacles to build up a thick layer of anemone mucus, disguising themselves so the anemone fails to recognize them as prey.
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Tags: clownfish, anemone, symbiosis
Clownfish coat themselves in mucus to avoid anemone stings: the short answers
- Where does this come from, and can I check it?
- A thick sugar-protein coating prevents anemone nematocysts from firing. The figure is taken from Smithsonian Ocean, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
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- Yes. It sits on the Animals shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
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