The parasites are called trematodes. Two species of the flatworms were discovered in California’s freshwater fish, according ...

Glyptothorax belongs to a family of catfishes known as the Sisoridae. Sisorids are primarily hillstream catfishes, with many ...

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

saltwater versus freshwater habitats, the fish life cycle, and adaptations that fish have developed to aid in their survival. Included in the unit plan are five days’ worth of comprehensive ...

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

This cormorant somehow manages to gulp down a fish that's even bigger than its head! How do these birds swallow their food ...

The parasites are introduced species from elsewhere, and Americans are perhaps not aware of the risk, the authors wrote.

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 ...

Few freshwater fish can match the size of the Mekong giant catfish, which can exceed 10 feet and weigh over 660 pounds. Native to the Mekong River, this gentle giant feeds on plankton rather than ...