Water quality in rivers and dams is decaying all over the world, and metal pollution is a major factor. Meanwhile, freshwater resources are very limited. A tiny fish louse shows promise as a sensitive ...

Pennsylvania stocks about 3.2 million trout annually, but only 4% are brook trout, the state fish. The number of stocked ...

Increased sea lice infestations, scientists say are caused by salmon farms, threaten the already-vulnerable wild Pacific salmon populations in western Canada, worrying conservationists and First ...

Salmon farms help stock supermarkets but also breed parasitic sea lice that infect young wild salmon and could endanger other important ocean species such as herring, scientists said in a study ...

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 ...

It’s hard to make the case for fish parasites (which yes, this article is going to do). For one thing, most people love eating fish; personally, I resisted when I was younger but succumbed as an adult ...

VICTORIA, B.C. -- Fish farms on northern Vancouver Island are being blamed for an outbreak of bloodsucking sea lice that some say could kill more than 400 million pink salmon this summer. Indian ...

The problem is sea lice, natural parasites that normally attach to adult salmon with little ill effect and have little contact with vulnerable juvenile salmon. That changes when the fish farms move in ...

A Colorado Parks and Wildlife fish survey along the Lower Blue River cites a billionaire landowner’s practice of feeding 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 ...

LARIMER COUNTY, Colo. (CBS4) – Colorado Parks and Wildlife officers in northern Colorado are warning of a potential spread of parasites in Colorado lakes if anglers don't take the proper steps to ...

The parasites can then end up with metals in much higher concentrations than those in the host. For some internal parasites, levels of metals have been found to be up to 2 500 times higher than in the ...