Although freshwater environments, from creeks to rivers, brim with more than 10,000 species of fish, we may never get ... rough-skinned newts visit the same pond in Oregon’s Willamette River ...

More than 90% of popular freshwater game fish in Southern California contained an introduced parasite capable of infecting ...

More than 90 percent of popular Southern California freshwater game fish sampled in a new study contained invasive worms capable of infecting humans, scientists are warning. The parasites — two ...

The offspring of the freshwater pearl mussel live parasitically on the gills of brown trout for several months. This dependence on a single fish ... ponds. The quagga mussel is now the species ...

A UC San Diego study published Tuesday found that more than 90% of freshwater game fish in Southern California had parasites ...

Did you know 90% of freshwater game fish in southern California host parasites that could infect humans? Learn how to protect yourself.