When reefs go bad, one of the first things to disappear is anemones—and their clownfish. "They're a really good indicator group," Allen says. Besides spurring demand for clownfish, Finding Nemo ...

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 ...

The presence of barracuda and other large fish in their ecosystem means the clownfish rarely leaves its host. That also means it would be difficult to find a new female to come into the group if ...

Beginning in the on-campus marine station, the group subjects their aquarium-raised clownfish to a wide array of tests, seeking to better understand how the animals will react to warming ocean ...