muskellunge means: Freshwater pike, weighing in at between 10 to 30 pounds. However, some specimens can reach 60 pounds and six feet long. Muskellunge is a low-fat, lean and firm flesh. (in Cooking Dictionary)

What else does muskellunge mean?

Large freshwater fish (Esox masquinongy) It is a closely related fish to the northern pike in the United States of America and Canada and it is highly prized as a game fish. (in Merlin Dictionary)