WASKISH, Minn. -- Jonny Petrowske admits he was worried. That’s to be expected when you’re a minnow trapper, and about 65% of your annual income depends on catching spottail shiners on Upper Red Lake ...

Complicating the shortage is a Minnesota DNR requirement that minnow dealers who trap spottail shiners in waters designated as infested with zebra mussels must remove their gear by Monday, May 23.

This little creek is never more than knee deep, yet sports an assortment of shiners, chubs, crawfish and salamanders. Steep limestone bluffs form a deep canyon along its length. It's just hard enough ...