whitefish(redirected from whitefishes)
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, member of the Salmonidae, a family of marine fish that spawn in freshwater, including the salmons, the trouts, and the chars (subfamily Salmoninae), the whitefish and the ciscoes (subfamily Coregoninae), and the grayling (subfamily Thymallinae).
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Any of various food fishes in the family Salmonidae, especially of the genus Coregonus, characterized by an adipose dorsal fin and nearly toothless mouth.