Fishing
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Spring fisheries surveys in northern Wisconsin
Please note: We are in the process of improving how we provide our fisheries survey reports information. In the interim, we have moved the recent surveys from 2024-2025 that would normally be on this page to our general Fisheries Survey Reports page…
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Ceded Territory creel survey reports
The North District's Treaty Fisheries Assessment Team prepared the following creel survey reports.Other data and reportsOur fisheries biologists have made fisheries survey reports, trout survey and assessment reports, Ceded Territory reports, and…
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Fishing for Musky
The mystique of musky fishing is based on the fish's size, its moody behavior, the explosive strikes, and the challenge of boating one. The muskellunge has a reputation as the "fish of 10,000 casts." While it's true that a musky, especially a big…
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Classification of musky waters
Wisconsin muskellunge waters have been classified by two separate criteria: A rating of the overall angling quality, based on surveys and the observations made by fisheries biologists. The status of natural reproduction of muskellunge in the…
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Muskellunge research
Muskellunge researchers in Wisconsin use scientific experiments to find ways to improve muskellunge populations and the quality of muskellunge angling. A good research program forms a solid foundation that enables biologists to manage and protect…
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Wisconsin's state fish: the muskellunge
New Regulations For The Inland Musky Season in 2026-2027
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Mississippi River
The Upper Mississippi River is home to over 119 species of fish - more species than are found in any of Wisconsin’s inland lakes. Favorite sport fish include walleye, sauger, largemouth bass, smallmouth bass, channel catfish, northern pike, bluegill…
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Sea lamprey and control efforts in Wisconsin
The sea lamprey, Petromyzon marinus, which is a descendant of the earliest known type of vertebrates, is a parasitic species of eel-like fish native to the Atlantic Ocean and the East Coast of North America. Because of their eel-like shape, lamprey…