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The lake trout (Salvelinus namaycush) [2] is a freshwater char living mainly in lakes in northern North America. Other names for it include mackinaw, namaycush, lake char (or charr), touladi, togue, and grey trout. In Lake Superior, it can also be variously known as siscowet, paperbelly and lean. The lake trout is prized both as a game fish and ...
There are about 123 species of fishes found naturally in Minnesota waters, including Lake Superior. The following list is based on the Minnesota Department of Natural Resources . The species data on this page is taken from the Minnesota DNR, which also uses several labels to indicate a fish's status within Minnesota waters.
Lake Superior is the largest freshwater lake in the world by area and the third largest in volume, behind Lake Baikal in Siberia and Lake Tanganyika in East Africa. The Caspian Sea, while larger than Lake Superior in both surface area and volume, is brackish. Lake Superior deepest point [4] on the bathymetric map.
The brook trout (Salvelinus fontinalis) is a species of freshwater fish in the char genus Salvelinus of the salmon family Salmonidae native to Eastern North America in the United States and Canada. [3][4] Two ecological forms of brook trout have been recognized by the US Forest Service. [3] One ecological form is short-lived potamodromous ...
The rainbow smelt (Osmerus mordax) is a North American species of fish of the family Osmeridae. Walleye, trout, and other larger fish prey on these smelt.The rainbow smelt prefer juvenile ciscoes, zooplankton such as calanoid copepods (Leptodiaptomus ashlandi, L. minutus, L. sicilis), and other small organisms, but are aggressive and will eat almost any fish they find.
Lake whitefish. The lake whitefish (Coregonus clupeaformis) is a species of freshwater whitefish from North America. Lake whitefish are found throughout much of Canada and parts of the northern United States, including all of the Great Lakes. The lake whitefish is sometimes referred to as a "humpback" fish due to the small size of the head in ...
Fish of the Great Lakes. Fish of the Great Lakes Region — in the Eastern United States and Eastern Canada regions of North America. Fish species that are native to the Great Lakes and their direct tributaries. For non-native and/or invasive species of fish, see: Category: Invasive animal species in North America.
The lake trout plays a vital role in the Lake Superior ecosystem. The lake trout has traditionally been considered an apex predator, which means that it has no predators. The sea lamprey is an aggressive predator by nature, which gives it a competitive advantage in a lake system where it has no predators and its prey lacks defenses against it.