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Muskellunge - AKA: Musky & Muskie

Esox Masquinongy

A Muskellunge, also known as musky.

The musky is the largest gamefish in Wisconsin, with the exception of Sturgeon. It can be caught from inland lakes, rivers and even great lakes like Lake Michigan & Lake Superior. Fishing techniques include trolling, casting and live bait. Musky is an extremely exciting fish to catch. Johnny’s Ultimate Musky Fishing Guide Service does practice ‘Catch & Release’ to help preserve the future of Musky Fishing.

Related Species

Northern pike; pickerel; tiger musky

Also Known As

Muskie, musky


Greenish to light brown to silver; Great Lakes strains are more silver in color

Field Marks

Numerous canine teeth; 6-9 pores on underside of lower jaw; dark marks on a light background (compare northern pike).


Lakes, reservoirs and streams with abundant vegetation or similar cover

Feeding Habits

The muskellunge targets other fish as the staples of its diet, but it will eat anything it can fit into its mouth: ducks, mice, amphibians, snakes.


A true water wolf. Muskie fishing quickly becomes an obsession to those who pursue it, even though results may be few.

WI Record

69 lb. 11 oz.63.5″  10/20/49 Chippewa Flowage, Sawyer County

Color variations of musky.


In North America, musky are Native to St. Lawrence River – Great Lakes, Hudson Bay (Red River), and Mississippi River basins. Introduced elsewhere in the USA. Native populations are protected in portions of Tennessee and Ohio.


The muskie spawns when the water temperature is 48 to 59 degrees, about two weeks later than the northern pike. A 40-pound female can produce more than 200,000 eggs. They generally spawn twice, the second time about 14 days after the first time. Unlike the northern pike’s adhesive eggs, which cling to vegetation, the muskie’s eggs settle to the bottom, rather than the weedy in-shore areas northern pike use. This separation of spawning areas apparently prevents northern pike fingerlings from preying on newly hatched muskie fry. In other circumstances, however, late-spawning northern pike have been observed actively spawning with muskie; the hybrid offspring is called a “tiger muskie.”

Hybrid tiger musky diagram.

Related Species

Northern pike; pickerel; muskellunge




Light colored with brownish fins and green vertical bars on sides

Field Marks

Vertical green bands on flanks


Similar to muskellunge

Feeding Habits

Like other members of the Esox family, the tiger muskie is an opportunistic predator and a solitary hunter.


The tiger muskie is a northern pike/muskellunge hybrid and is widely stocked in some areas.

WI Record

51 lb. 3 oz.  54″ 7/16/19 Lake Vieux Desert, Vilas County

More Information

The musky long has been recognized as special – a large, rare trophy. Its habitat requirements are more particular than that of its close relative, the northern pike. In many areas, the musky’s existence is rather tenuous – threatened by fishing, habitat loss, and competition from other fish species. So the goal of muskie management is to create or protect self-sustaining populations and to produce a few large fish for the angler skilled and dedicated enough to catch them.

See more in our Musky Gallery

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