The Utah sucker, Catostomus ardens, is native to the Bonneville Basin of Utah, Idaho, Nevada, and Wyoming. In addition to its native range, the Utah sucker has been introduced to, and become established in, the Colorado River system. Utah suckers are relatively abundant in Utah, especially in Bear Lake.
In historic times, Utah suckers were an important food source for the people of Utah. Currently, however, Utah suckers are rarely eaten by man, and serve mainly as forage for other fish species.
Utah suckers are benthic (bottom dwelling) fish capable of adapting to many different types of environmental conditions in both lakes and streams. Utah suckers consume plant and animal matter, with algae being a common food item. The species spawns during the late spring either in streams or along lake shores. Eggs are broadcast into the water, where fertilization occurs. No parental care is given to eggs or young.
Utah Chubs are a nongame species of fish, and therefore the taking of them is not regulated. You can keep as many as you like. The smaller ones make excellent bait for catfish, cutthroat trout, walleye, pike, and many other predator fish.
It shouldn't be too hard to catch chubs in waters where they are present in significant numbers. They'll find you. They are notorious for stealing bait, hitting lures and flies, and getting caught accidentally when anglers are targeting other species such as trout or bass.