More than 90% of freshwater game fish in Southern California carry two types of parasitic flatworms (trematodes), which can lead to gastrointestinal problems, weight loss, lethargy, and in rare cases, ...

Using genome reconstruction, scientists unveiled a once 'invisible' fish parasite present in many marine fish world-wide that belongs to the apicomplexans, one of the most important groups of ...

Regularly we get questions about fish parasites. Last year a new parasite was discovered in the northeastern portion of Wisconsin in 10 lakes. Heterosporis, a microsposporidan parasite. The DNR is not ...

In Southern California, a quiet but widespread public health risk has taken root in the region’s freshwater fishing spots. Researchers from Scripps Institution of Oceanography at UC San Diego recently ...

Southern Californians have been warned that more than 90 percent of popular game fish have been found to contain invasive, parasitic worms that can infect humans. Two species of the parasitic ...

They’re tiny, they’re widespread, and they’re inside the fish you might be grilling this weekend. Stacey Leasca is an award-winning journalist with nearly two decades of newsroom experience. She is ...

Allison Little, a middle school assistant principal from Anchorage, has been fishing on the Kasilof River her entire adult life, so she’s used to seeing wormy parasites coiled up in fish on occasion.