Add Yahoo as a preferred source to see more of our stories on Google. Largemouth bass were among fish analyzed for parasites. (DEA / A. CALEGARI / Getty Images) More than 90% of popular freshwater ...

A McDonald's customer recently posted on Reddit after finding a parasite in a Filet-O-Fish sandwich. Commenters on the thread quickly pointed out that this is actually common in wild-caught fish.

Fish parasites, particularly acanthocephalans and cestodes, are emerging as valuable bioindicators of heavy metal pollution in aquatic ecosystems. Research has demonstrated that these parasitic ...

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 ...

Oregon officials have killed about 160,000 rainbow trout to stop the spread of a pathogen they hadn’t seen before. Oregon Department of Fish and Wildlife staff discovered the parasite after they ...

A UC San Diego study published Tuesday found that more than 90% of freshwater game fish in Southern California had parasites capable of infecting humans and causing health problems. The parasites are ...

Metazoan parasites represent a diverse assemblage of organisms, including flatworms (monogeneans and digeneans), cestodes, nematodes and acanthocephalans, which colonise a range of freshwater fish ...

More than 90% of popular freshwater fish in Southern California are carrying human-infecting parasites, researchers say. This poses a significant danger for those who like to eat freshly caught ...