They form another, more famous symbiotic alliance with clownfish, which are protected by a mucus layer that makes them immune to the anemone's sting. Clownfish live within the anemone’s ...

Of the roughly thousand species of anemones, only ten host clownfish. It's still a mystery exactly how a clownfish avoids being stung by the anenome, but a layer of mucus—possibly developed by ...

These tiny harpoons are coiled in the tentacles until the anemone releases them. They then pierce the sea creature’s skin and inject venom in the same way that a jellyfish stings. The toxin ...