What is "lake salmon"

Namaycush \Nam"ay*cush\, n. [Indian name.] (Zool.) A large North American lake trout ( Salvelinus namaycush). It is usually spotted with red, and sometimes weighs over forty pounds. Called also Mackinaw trout, lake trout, lake salmon, salmon trout, togue, and tuladi.

n. Atlantic salmon confined to lakes of New England and southeastern Canada [syn: landlocked salmon]

The lake salmon (Opsaridium microlepis) is an African species of freshwater fish in the Cyprinidae family. It is found in Malawi, Mozambique, and Tanzania. Its natural habitats are rivers and freshwater lakes.