Canada
Checklist of Endemic Freshwater Fish Species
This list of freshwater fish species found exclusively in Canada is based on the taxonomy used in Eschmeyer's Catalog of Fishes (2023). For further details on possible inaccuracies in the list see Sources & Caveats.
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds) 2023 Catalog of Fishes: Genera, Species, References. Version downloaded 9 February 2023 https://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp
The current version can be accessed here
Moxostoma hubbsi
(Cypriniformes Catostomidae) Copper Redhorse
Coregonus huntsmani
(Salmoniformes Salmonidae) Atlantic Whitefish
Coregonus nigripinnis
(Salmoniformes Salmonidae) Blackfin Cisco
Entosphenus macrostoma
(Petromyzontiformes Petromyzontidae) Vancouver Lamprey