Rochester, Minn. State and federal officials hope to save an endangered mussel in the Mississippi River and in the process, control the zebra mussel that’s infested the river.
Officials have outlined efforts to help the endangered Higgens’ eye pearlymussel, which once was common on the river from the Twin Cities to Missouri. Recently, the zebra mussel has contributed to the demise of the Higgens’ eye by overwhelming them and not letting them breed or breathe. Officials may attempt to boost their numbers by […]