Fish Species
More than 170 species of fish inhabit the Great Lakes, their tributaries and connecting waterways.


Wisconsin Fish Identification

Fish Identification Tool
Trying to identify a Wisconsin fish? We have just the tool for the job. You can search for a fish by name or identify one by its appearance. You can now download an Android app or an iOS app. Read more...


Alewife

What causes alewives to die off in great numbers at certain times of the year?
Several factors combine to make alewives vulnerable. Read more...


Burbot

Researchers Identify New Burbot Spawning Behavior
Wisconsin Sea Grant scientists have discovered that burbot spawn in deep reefs and also later in the season than previously known. Their findings, published in Transactions of the American Fisheries Society, add a fifth spawning behavior to those already identified for burbot. Read more...


Smelt

History of Smelt in the Great Lakes
The rainbow smelt (Osmerus mordax) is not native to the Great Lakes. They have gone from very abundant to nearly eliminated since their introduction to Lake Michigan in the mid 1920s. Read more...


Commercial Smelt Fishing
The commercial fisherman's strategy differs from scientific sampling. Like anglers, commercial fishermen, want to catch the most fish possible; to do this commercial fishermen change where and how they fish. They modify their nets, change speed, or move from one area to another to maximize their catch on a day-to-day basis. Read more...


Winnebago Sturgeon

People of the Sturgeon Book - Available as a Hardcover or Audio Edition
People of the Sturgeon is a history of the cultures surrounding lake sturgeon in Wisconsin waters, particularly in the Lake Winnebago region, told by a fascinating collection of photos, artifacts, and a few good fish tales. Read more...


People of the Sturgeon Hardcover Book, an Excerpt
In this excerpt of the award-winning People of the Sturgeon, meet two individuals who have contributed to the world's healthiest population of the ancient fish, including a fish biologist and a longtime sturgeon fisherman. Read more...


People of the Sturgeon Audiobook, Excerpts

"When I first read People of the Sturgeon and its rich tale of Wisconsin traditions, I felt it would make a powerful and compelling audio narrative that would both complement and bring added dimensions to the original text," said Chris Bocast, audiobook producer.

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10 Facts About an Ancient Fish
Through 10 succinct facts, learn a bit more about this ancient fish that has been around since the age of the dinosaurs. Read more...


Sturgeon Spawning
View maps and get further information about viewing spring sturgeon spawning. Plus, learn more about Sturgeon for Tomorrow's Sturgeon Patrol, which safeguards sturgeon during a vulnerable spawning season. Read more...


Research Into Sturgeon Thunder
Learn more about the mysterious sounds that echo across Wisconsin riverbanks during spring sturgeon spawning. Read more...


Videos About Sturgeon

Spawning Sturgeon, Wolf River, Wis.; Sturgeon Spearing on Lake Winnebago; University Place: Wednesday Nite @ The Lab—People of the Sturgeon; and University Place: History Sandwiched in—People of the Sturgeon are four video offerings that highlight Wisconsin’s robust lake sturgeon population.

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