typhlonectes: A Jewel of a Mussel! Like pirates searching for treasure, biologists scour the St.
typhlonectes: A Jewel of a Mussel! Like pirates searching for treasure, biologists scour the St. Croix River for winged mapleleaf mussels to raise future generations at Genoa National Fish Hatchery. Find out more about these endangered mollusks https://www.fws.gov/midwest/endangered/clams/mussels.html (via: National Park Service and U.S. Fish and Wildlife Service) Photograph: Sarah Sorenson/USFWS -- source link