very small northern fish; forage for sea birds and marine mammals and other fishes
{i} caplin, small food ocean fish that belongs to the smelt family (found in the waters of the Arctic, Iceland, Northwest United States and Scandinavia)
A small marine fish (Mallotus villosus) of the family Salmonidæ, very abundant on the coasts of Greenland, Iceland, Newfoundland, and Alaska