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 ...

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

Cichlid fishes, renowned for their extraordinary speciation and adaptive radiation, provide an exceptional framework to explore evolutionary dynamics, particularly through the study of their parasites ...

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 ...

State biologists are saying that a slimy creature lurks within Lake Champlain, preying on fish and frustrating anglers - but ...

LOS ANGELES — 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 ...

Parasitic infections in salmonid fish can increase or decrease their vulnerability to angling, depending on their body condition. Angling, a type of fishing, is a popular pastime across the world, and ...

The fish appear to favor the locale not for the sights, but for their neighbors—tiny spider crabs that feast on the animal’s ...

Katherine Maslenikov carefully plucked a young walleye pollock specimen from a glass jar full of ethyl alcohol. The critter’s eye and insides were missing, some carefully packed in a nearby vial ...

Parasites that eat fish tongues and take their place in the mouth have been found in a batch of seabream arriving at a port in the U.K. The parasites, Cymothoa exigua, were first spotted in the ...

In Slovenia’s Lake Cerknica, a seasonal spectacle plays out twice a year. As the waters retreat in spring and fall, fish are ...