DFO Science Centres of Expertise (COEs) focus on areas where it is more effective to partner both internally and externally with academia, other departments and other governments to achieve results.

Learn about the finfish species such as Atlantic salmon, steelhead, rainbow trout and tilapia that are raised in Canadian aquaculture. Includes pictures and background information for each species.

Learn about the industrial activities that affect fish and their habitat: hydroelectric generation, oil and gas exploration and drilling, and toxic contaminants that enter Canadian waters.

Read about questions of interest in aquaculture such as the environmental impact of salmon farming, the nutritional value of farmed salmon and other topics.

Scott and Crossman: The Freshwater Fishes of Canada is the story of scientist emeritus William Beverly (Bev) Scott, formerly of the Royal Ontario Museum and the Huntsman Marine Science Centre and Edwin (Ed) J. Crossman, formerly of the Royal Ontario Museum, authors of the definitive texts on freshwater fish in Canada.

Find information on the program responsible for keeping sea lamprey populations in the Great Lakes basin at a minimum.

Take a tour of the underwater world to learn about the fish and other aquatic creatures found in salt and freshwater in Canada.