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The following is a list of common fish species known to occur in the lakes and rivers of Canada. Order Petromyzontiformes (lampreys) Family ...
Red: Includes any indigenous species or subspecies that have, or are candidates for, extirpated, endangered, or threatened status in British Columbia. Extirpated taxa no longer exist in the wild in British Columbia, but do occur elsewhere. Endangered taxa are facing imminent extirpation or extinction.
The kokanee salmon (Oncorhynchus nerka), also known as the kokanee trout, little redfish, silver trout, kikanning, Kennerly's salmon, Kennerly's trout, or Walla, [2] is the non-anadromous form of the sockeye salmon (meaning that they do not migrate to the sea, instead living out their entire lives in freshwater).
In general, the effect of blue polymorphism observed in other fish species, such as other members of the Family Hexagrammidae and Family Cottidae, can be from the bile pigment biliverdin. [4] Biliverdin is a product of heme catabolism which circulates the lymph and suffuses tissues. However, this hypothesis has not been tested in lingcod.
The fauna of Canada consist of approximately 200 mammal species, over 460 native bird species, 43 amphibian species, 43 reptile species, and 1,200 fish species. [ 1 ] [ 2 ] The biology survey of Canada cites that there are approximately 55,000 species of insects and 11,000 species of mites and spiders.
Other commonly cultured fish species include tilapia, catfish, sea bass, carp and bream. Salmon farming is significant in Chile, Norway, Scotland, Canada and the Faroe Islands; it is the source for most salmon consumed in the United States and Europe. Atlantic salmon are also, in very small volumes, farmed in Russia and Tasmania, Australia.
A major threat to the lake whitefish is an invasive parasite species, the sea lamprey. It is one of a number of species (in addition to the lake trout and lake herring) aggressively attacked by sea lamprey. In Lake Michigan the sea lamprey began to decimate indigenous fish populations in the 1930s and 1940s.
The annual catch can reach 30 million fish in Bristol Bay, Alaska, which is the site of the world's largest sockeye harvest. [36] Sockeye salmon have long been important in the diet and culture of the Coast Salish people of British Columbia.