As its name suggests, the pygmy sculpin is a small species that reaches an adult size of 1.5 inches (38 mm). It is only known to occur in a single spring, Coldwater Spring, and downstream spring run in the Coosa River Watershed in the state of Alabama. In addition to its small size, it is distinguished from other species of sculpin by its broadly connected dorsal fins.
A natural body of running water.
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