Great Lakes Aquarium Expands Sturgeon Conservation Efforts

A new facility addition in Duluth aims to boost the population of the St. Louis River's native Lake Sturgeon.

Updated on Oct. 24, 2026 in Aquariums

Bold vector editorial illustration of a Lake Sturgeon swimming, representing the Great Lakes Aquarium's sturgeon conservation project. — The Great Lakes Aquarium in Duluth is constructing a new 1,300-square-foot facility to significantly expand its Lake Sturgeon conservation and recovery program. AI Illustration. Upload story photo >

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The Great Lakes Aquarium is scaling up its conservation program by building a 1,300-square-foot facility to support Lake Sturgeon recovery. The aquarium currently manages 250 fish in a trailer and plans to significantly increase this capacity.

Why it matters

Lake Sturgeon are classified as a species of special concern by the Minnesota Department of Natural Resources, making these efforts vital to restoring the population to sustainable levels in the St. Louis River.

The aquarium currently rears 250 Lake Sturgeon and aims to raise that figure to 3,000 fish by next year. The long-term goal is to reach an output of 3,500 fish.

The players

Great Lakes Aquarium

Located in Duluth, Minnesota, this freshwater aquarium focuses on conservation, education, and the unique ecology of the Great Lakes.

Minnesota Department of Natural Resources

This state agency is responsible for managing Minnesota's natural and cultural resources, including the protection of species of special concern.

U.S. Fish and Wildlife

This federal agency works to conserve, protect, and enhance fish, wildlife, and plants and their habitats for the benefit of the American people.

Fond du Lac Band of Lake Superior Chippewa

This federally recognized Native American tribe plays an active role in environmental stewardship and resource management within their territory.

The details

The facility addition will allow the aquarium to continue rearing the fish from egg and larval stages in an improved environment. The institution intends to stock a portion of these fish into the St. Louis River one year after they are placed on public display.

Lake Sturgeon populations declined in the St. Louis River during the 1900s.
Restocking efforts for the species began in 1983.
The aquarium plans to rear 3,000 fish next year.

Culture Shift

The project follows the conservation mandate set by the Minnesota Department of Natural Resources species of special concern designation. This initiative represents a broader shift toward intensive local intervention to reverse the habitat degradation that began in the 1900s.

Residents and aquarium visitors will gain the opportunity to observe the sturgeon rearing process as the new facility comes online. The expansion supports long-term ecological health in the St. Louis River, benefiting the local watershed and regional wildlife populations.

The takeaway

Restoring native species requires long-term commitment and multi-agency collaboration to overcome historical population declines. Supporting local conservation facilities provides both educational value and tangible benefits to native river ecosystems.