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 ...

Pteropods: Seawaters are already corrosive enough in some areas to erode the shells of these small sea “butterflies.” Pteropods are tiny snails that are found throughout the oceans and are an ...