Dark green or blue black on back, to white on belly. Belly and lower fins may turn brilliant red in spawning males. Upper body and dorsal fin with mottled or wormlike markings. Sides with pale spots and reddish spots which may have bluish rings around them. Lower fins, including tail. have distinct white leading edge. Tail square, or only slightly forked. INTRODUCED.

Illustration by Joseph Tomelleri.


Links to more information about Brook Trout:

Idaho Chapter of the American Fisheries Society