Great Lakes Literacy, Fish Stocking

For Friday, April 15, 2022


1 – How’s your Great Lakes literacy? 

Teachers looking for simple ways to introduce youth to Great Lakes topics and hands-on learning opportunities can check out free education resources from the Center for Great Lakes Literacy.

Photo by Emily on

The resources use a module format. Each module provides a package of learning and engagement resources on a Great Lakes topic or issue. 

You can explore Great Lakes topics with scientists and experts through video, access learning materials for students and teachers, and engage students using examples of activities and place-based stewardship opportunities.

More info about the Center for Great Lakes Literacy curriculum is online at

The center is a Sea Grant-led network and partnership. The learning resources are supported by funding from the Great Lakes Restoration Initiative and National Oceanic and Atmospheric Administration. 

2 – Where do fish come from? 

The state Department of Natural Resources stocks more than 20 million fish annually, or more than 350 tons.

Photo by Karolina Grabowska on

The stocking of fish is a tool used by managers for various reasons. Those include restoring ecosystem balance, providing diverse fishing opportunities, rehabilitating low fish populations and reintroducing extirpated (or locally extinct) species.

The DNR says it does not stock on top of wild populations when it can be avoided. 

However, there are instances where angling pressure and habitat limitations keep wild fish from maintaining a desired population level. In those instances, hatchery fish are stocked to supplement natural reproduction.

The DNR rears fish at six fish production facilities throughout the state and maintains a fleet of 18 fish stocking vehicles.

Stocked species stocked include steelhead, salmon and trout as well as lake sturgeon, muskellunge and walleye. 

Beginning in mid-March and ending in early June, DNR fish stocking trucks travel more than 100,000 miles to stock more than 1,000 locations.

For more information, see the state’s Fish Stocking Database.

– Mr. Great Lakes is heard Friday mornings in Bay City, Michigan, on Delta College Public Radio 90.1 FM (listen live). Follow @jeffkart on Twitter #MrGreatLakes


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