RICHMOND, Calif. (KTVU) - An El Sobrante woman was "grossed out" when she found a parasite in fish she purchased at Costco in Richmond. Felicia Cipolla, who says she's a vegan, tells KTVU her partner ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Public health officials were investigating a ...

A biologist made an unexpected discovery while researching fish heads—a bizarre parasitic crustacean that replaces the tongue of its host. Kory Evans from Rice University in Houston spotted the ...

Nearly every single freshwater fish in Southern California may be riddled with parasites that could cause serious health issues in humans. Researchers from the University of California-San Diego ...

When a pufferfish shows signs of internal parasites, quick action is the only option. Watch the step-by-step treatment process and see if this little fighter can make a full recovery.

PARADISE VALLEY — A previously unidentified strain of parasite has grown so prolific in the Yellowstone River that it is overwhelming whitefish, killing thousands and prompting the state last week to ...