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Detroit River sturgeon population among healthiest in Great Lakes

An estimated 6,000 lake sturgeon are now swimming in the Detroit River, according to research by Canadian conservation groups and the U.S. Fish and Wildlife Service.

Fish have had to fight construction and pollution in their habitat

Experts estimate Detroit River now has a population of 6,000 sturgeon, about one per cent of the previous population. (Detroit River Canadian Cleanup)

An estimated 6,000 lake sturgeon are now swimming in the Detroit River, according to research by Canadian conservation groups and the U.S. Fish and Wildlife Service.

The number of fish now make upabout one per cent of what the abundance once was, according to a press release from Detroit River Canadian Cleanup, but the group celebrated the river's return as oneof the healthiest populations in the Great Lakes.

Live Lake Sturgeon caught in LaSalle, Ontario. The fish is measured, weighed and tagged and returned to the Detroit River. (Detroit River Canadian Cleanup)

"This research, as well as data collected from egg and larvae surveys conducted by the U.S. Geological Survey, shows the Fighting Island artificial reef expansion ... near the Town of LaSalle, has been successful and is aiding in the recovery of LakeSturgeonand other fish species in the Detroit River," explainedaction Plan coordinatorClaire Sanders.

Lake whitefish, walleye and sucker eggs have also been found on the reef, she added.

In the past centuryfish have had to fight for their habitat as coastal wetlands disappear, shorelines are hardened with break walls and water pollution limited where they could live.