Fish Species

Here is a partial list of fish species found in Southeast Idaho (information courtesy of the Idaho Fish & Game)

	Rainbow Trout
	Body color variable. May be silvery in lakes and reservoirs. Back olive to greenish blue, belly white to silvery. Sides may show red or pink streak, white tip on pelvic {belly} and anal fin usually evident. Irregular spots on back, sides, head, dorsal fin and tail. NATIVE. Illustration by Joseph Tomelleri.
	Cutthroat Trout
	Body color variable. Back steel gray to olive green. Sides may be yellow brown with red or pink along belly. Red to orange slashes on underside of lower jaw. Paired fins and anal fin uniform in color, brown or orange, with NO white tips. Spotting more closely grouped toward tail. May spawn in wild with rainbow. NATIVE. Illustration by Joseph Tomelleri.
	Brown Trout
	Back brown or olive with large black spots. Sides light brown to yellowish with numerous brown, black and red spots surrounded by halos of blue gray. Adipose fin usually with orange border. Few, if any, spots on tail. Tail slightly forked. INTRODUCED.
	Lake Trout (Mackinaw)
	Dark gray or gray green above, belly light gray to white. Irregular shaped light gray spots on back, sides, dorsal fin and tail. Pink or blue spots ABSENT. White borders on fins less distinct than in BROOK TROUT. Tail deeply forked. Inhabits only large, deep lakes. INTRODUCED. Illustration by Joseph Tomelleri.
	Largemouth Bass
	Dark green on back and sides, belly white. Dark, irregular HORIZONTAL band along sides. Upper jaw, when closed extends behind the eye. INTRODUCED. Illustration by Joseph Tomelleri.
	Smallmouth Bass
	Dark olive to brown on back, sides bronze, belly white. Dark VERTICAL bands on sides. Eyes reddish. Upper jaw, when closed, does NOT EXTEND behind eye. INTRODUCED. Illustration by Joseph Tomelleri.
	Crappie
	Crappie are grayish to silvery green on the head, with lighter sides and a silvery-white belly. Heavy black spotting or splotches on body and fins. INTRODUCED.
	Bluegill
	Have spines in the dorsal fin. Bluegill have a blue spot on the gill cover, the back is olive to dark green with a bluish luster, sides are bluish, belly is yellowish. INTRODUCED.
	Yellow Perch
	Dark green back and yellow sides with 6 to 8 dark vertical bars. Front fin has sharp spines and cheek has serrated edges. INTRODUCED. Illustration by Joseph Tomelleri.
	Walleye
	Closely related to the YELLOW PERCH, but lacks vertical bars and has prominent "canine" teeth. Lower lobe of tail fin is white tipped. INTRODUCED.

Click here for a complete list of fish species found in the state of Idaho