California floater mussel
California floater mussel, born and raised in San Francisco (photo by author)

Mussels make moves in Mountain Lake

After 7 years’ effort, there’s new evidence that native freshwater California floater mussels, reintroduced to Mountain Lake, are thriving. The mussels are a keystone species, vital to maintaining stable, healthy water conditions. Until now, the biologists responsible for restoring Mountain Lake’s habitat could only guess about how the mussels were doing. That is, until they put their heads underwater to get a more complete…