The Smallmouth Bass (Micropterus dolomieu) is a popular game fish found in the cooler waters of North America. They typically reach 16-24 inches in length and have a brownish body with ... The Smallmouth Bass (Micropterus dolomieu) is a popular game fish found in the cooler waters of North America. They typically reach 16-24 inches in length and have a brownish body with dark vertical bands. Smallmouth Bass prefer clear, rocky, and fast-moving waters where they feed on insects, crayfish, and smaller fish. Known for their strong fighting ability, they are a favorite target for anglers seeking a challenging catch.Click here to read more about Smallmouth Bass.