Clownfish avoid anemone stings by lacking sialic acid in their mucus. This prevents anemones from recognizing them as prey.

The clownfish-anemone living arrangement is one of the most widely recognized examples of symbiosis. Researchers have made a ...

Seeing clownfish darting among the tentacled folds of an anemone is like watching butterflies flitting around a flowering plant in a breeze-blown meadow—mesmerizing. Twenty-nine species of ...

They run the full spectrum of colors and can be as small as half an inch or as ... a mucus layer that makes them immune to the anemone's sting. Clownfish live within the anemone’s tentacles ...