![](https://detroit.umich.edu/wp-content/uploads/mc-image-cache/2019/09/2016-DetroitRiverReef082.jpg)
11/30/16 An artificial reef is built in the Detroit River to replace the habitat lost to native fish.
U-M researchers are part of a multi-institution team working to restore lake sturgeon by building rock spawning reefs in two Detroit-area rivers. A set of reefs is completed in December in the Detroit River near Belle Isle.