They're very sensitive, and contact can remove the mucus that coats ... sediment rising up can harm coral and other marine ...

Lab studies suggested that crabs avoided living coral tissue, instead feeding in areas of recent ... Perhaps they're lured by nutritious mucus that corals release when they're injured, the authors ...

A close relative of coral and jellyfish ... which are protected by a mucus layer that makes them immune to the anemone's sting. Clownfish live within the anemone’s tentacles, getting protection ...