“Minnow” has dual meanings: one as a baitfish and one as a family of fish. Minnows are a family of fish, scientifically known as Cyprinidae, that includes shiners, chubs, minnows, goldfish, and carps. Because most people think of minnows as small fish, it is commonly used to describe baitfish. Sucker minnows, for example, are not true minnows. You could buy suckers if you’re targeting bigger fish or catch your own bullheads as bait(familiarize yourself with (DNR) fishing regulations first.) Main concern is you can’t transport water/bait from infested waters to other bodies of water.