Brook trout (Salvelinus fontinalis); public domain image by Duane Raver / USFWS Digital Library: Brook Trout.
Official State Cold Water Game Fish of Georgia
Georgia designated southern Appalachian brook trout as the official state cold water game fish in 2006 (Georgia also recognizes an official state fish and state salt water fish, as well as a state seashell and state marine mammal). All State Fish & Aquatic-Life
Several states recognize brook trout as a state symbol because brook trout can only live in cool, clean, pure water - they cannot survive pollution and contaminated waters.