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Southern Brook Lamprey

The southern brook lamprey (Ichthyomyzon gagei) is one of six lamprey species found in Alabama. Alabama lampreys have a tube-shaped body, are less than 12 inches long, and lack upper and lower jaws. Two parasitic lampreys feed on the blood of other fishes. After feeding is completed, the lamprey will detach itself from the host fish and swim away.
Courtesy of Geological Survey of Alabama