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

Clownfish are one of the most distinctive and popular saltwater pet fish. These cute little marine creatures got a massive ...

Then it metamorphoses into a miniature clownfish less than half an inch long that descends to the reef. If the young fish doesn't find an anemone and acclimatize to its new life within a day or ...