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What's
In a Name?
Muskellunge:
probably derived from "maskinonge" (fairly close to original Ojibwa word)
and "lunge" (taken from Native American name for lake trout)
Esox
(Ee´-socks) on old name for the pike in Europe
masquinongy (mass-kwim-on´-gee) in Cree mashk means
deformed and Kinonge means pike
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Where
Do They Live?
In Minnesota, the muskellunge is native to lake and rivers in the Rainy
and upper Mississippi river drainages, and the lower Mississippi River south
to Lake Pepin. They are especially well known from Lake of the Woods, Rainy
Lake, Leech Lake, Cass Lake, Lake Winnibigoshish, and some of the smaller
lakes near Park Rapids and Grand Rapids. They have been planted in many
lakes and some rivers all over the state. Muskellunge normally live in lakes
and slow-moving rivers with clear water and numerous underwater weed beds.
They prefer cool water where temperatures stay below 26° C (80 °F),
but they can endure temperatures as high as 32° C (90° F) for a
limited time. Muskies most often reside in water less than 4.5 m (15 ft)
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How
Big Do They Get?
How
Long Do They Live?
The great and elusive musky is often referred as the, "aristocrat of Minnesota's
trophy fishes." It is the largest member of the pike family and can grow
to incredible sizes. Females grow faster and bigger than males do. Growth
rates depend on the amount of available food, the size of the body of
water, and the summertime water temperature. Lunker muskies grow to 114-127
cm (45-50 in) long and weigh 15.9-22.7 kg (35-50 lbs). The official Minnesota
record, caught in Lake Winnibigoshish is a whopping 24.5-kg (54 lbs),
but one was taken from Lake of the Woods in 1931 that weighed 25.7 kg
(56.5 lbs). The world angling record is 31.8 kg (69 lbs 15 oz), caught
in the St. Lawrence River. It is hard to age musky after they reach 8-10
years old. So, we aren't sure how long they live! One musky from Canada
was estimated to be 30 years old.
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What
Do They Eat?
Like the northern pike, the musky is definitely a piscivore (fish-eater).
Sometimes it lies in wait in weeds and lunges with amazing speed at its
helpless prey. Other times it fins itself along slowly until it is near
enough to make the lunge. Either way, the prey fish becomes lunch. Of
course, larval muskies begin by eating waterfleas and copepods, but at
about 50 mm (2 in) long, they add small fish to their diet. As do large
northerns, adult muskies supplement their fish dinners with the occasional
duck or muskrat.
"Cool Fact":
It takes 2.3-3.2 kg (5-7 lbs) of live fish to produce 0.5 kg (1 lb) of
musky
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What
Eats Them?
Because northerns spawn at least 2 weeks
before muskies and often in the same places, many larval musky get consumed
by young northerns. Newly hatched and
larval muskies also are preyed upon by predaceous diving beetles and giant
water bugs. Probably the biggest consumers of young musky are bigger young
musky. Because of their habit of lying still at the water's surface young
muskies sometimes are taken by kingfishers and herons. As adults, musky
have nothing to fear, excluding anglers looking for the prized trophy
fish.
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How
Do They Reproduce?
The musky spawning season is in the spring (April or May) about 2 weeks
or more later than the northern pike season. As do northerns,
musky move up small streams or into flooded shallows around lake margins
to spawn. They choose heavy vegetated sites in water 38-50 cm (15-20 in)
deep. Pairs of musky swimming side by side spawn haphazardly over the
vegetation, to which the fertilized eggs attach. Spawning normally goes
on for about a week before the fish return to the deeper water leaving
the eggs and soon-to-be young musky to fend for themselves. A female can
lay 10,000-225,000 eggs, depending on her size and health.
The eggs hatch in
8-14 days. As with the northerns, newly hatched muskies attach themselves
to the vegetation using the adhesive organ on their heads. Here they develop
their mouths and fins over another 1-2 weeks before they swim free and
begin to feed.
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Conservation
and Management
The so-called "aristocrat of trophy fishes" is the largest sport fish in Minnesota. It is called the "aristocrat" because of its huge size and because it is very difficult to catch a musky. Many anglers try, but few succeed. Most musky anglers never land their trophy. That is the great appeal.
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Permission is granted for the non-commercial educational
or scientific use of the text and images on this Web document. Please credit
the author or authors listed below.
Photographs by Konrad P. Schmidt
Text by Nicole Paulson & Jay T. Hatch in
cooperation with
the Minnesota Department of Natural Resources' MinnAqua Aquatic Program
This page developed with funds from the
MinnAqua Program
(Minnesota Department of Natural Resources, Division of Fisheries)
and the
Sport Fish Restoration
Program (Fish and Wildlife Service, US Department of the Interior)
Maintained by Jay T. Hatch
General College and James
Ford Bell Museum of Natural History
University of Minnesota, Minneapolis/St.
Paul