Sea lice attached to the skin of a wild salmon. Salmon farms have been plagued by parasitic sea lice (Lepeophtheirus salmonis) since they were first established in Norway in the 1960s. The small ...

Two newly published reports reveal that the threat from sea lice to wild fish populations is of serious concern and widely associated with fish farming activity. Aberfeldy, Scotland - Two newly ...

Marine parasites known as sea lice spread readily from farmed salmon to wild fish, according to a study of wild salmon in British Columbia. The researchers, funded by several environmental groups, say ...

One year, the pinks didn't come home. In 2002, 97% of the pink salmon (Oncorhynchus gorbuscha) that were expected to swim up rivers to spawn in British Columbia's Broughton Archipelago failed to ...

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 ...

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 ...

University of Guelph provides funding as a founding partner of The Conversation CA. University of Guelph provides funding as a member of The Conversation CA-FR. Biologists study the social behaviour ...