Small bullheads for bait?

[Nels]

Hello,
Here are some of the Minnesota Statutes that apply.
No, Small perch can't be used for bait.

Nels

97C.341 Certain fish prohibited for bait.

A person may not use live minnows imported from outside of
the state, game fish, goldfish, or carp for bait.

97A.015 Definitions.
Subd. 25. Game fish. "Game fish" means walleye,
sauger, yellow perch, channel catfish, flathead catfish; members
of the pike family, Esocidae, including muskellunge and northern
pike; members of the sunfish family, Centrarchidae, including
largemouth bass, smallmouth bass, sunfish, rock bass, white
crappie, black crappie, members of the temperate bass family,
Percichthyidae, including white bass and yellow bass; members of
the salmon and trout subfamily, Salmoninae, including Atlantic
salmon, chinook salmon, coho salmon, pink salmon, kokanee
salmon, lake trout, brook trout, brown trout, rainbow (steelhead)
trout, and splake; members of the paddlefish family,
Polyodontidae; members of the sturgeon family, Acipenseridae,
including lake sturgeon, and shovelnose sturgeon. "Game fish"
includes hybrids of game fish.

Subd. 29. Minnows. "Minnows" means: (1) members of
the minnow family, Cyprinidae, except carp and goldfish; (2)
members of the mudminnow family, Umbridae; (3) members of the
sucker family, Catostomidae, not over 12 inches in length; (4)
bullheads, ciscoes, lake whitefish, goldeyes, and mooneyes, not
over seven inches long; and (5) leeches.