Minnesota Game & Invasive Fish

What fish is this?

Lake sturgeon (Acipenseridae)

• Shorter snout

• Armor-like body

What fish is this?

Channel catfish (Ictaluridae)

• Adipose fin

• Spines

• Whiskers

What fish is this?

Flathead catfish (Ictaluridae)

• Adipose fin

• Spines

• Whiskers

• Head shape - underbite

What fish is this?

Northern pike (Esocidae)

• Posterior fins

• Dots along the sides almost like horizontal stripes

What fish is this?

Muskellunge (Esocidae)

• Posterior fins

• Tiger stripes

• Darker fins

What fish is this?

Cisco (Salmonidae)

• Adipose fin

• Terminal mouth

What fish is this?

Lake whitefish (Salmonidae)

• Adipose fin

• Sub-terminal mouth

• Slightly deeper body

What fish is this?

Brown trout (Salmonidae)

• Adipose fin

• Brown spots with white outlines

What fish is this?

Brook trout (Salmonidae)

• Adipose fin

• White spots on darker body

What fish is this?

White bass (Moronidae)

• 2 dorsal fins

• Horizontal stripes

What fish is this?

Rock bass (Centrarchidae)

• Single dorsal fin

• Big eye

• Horizontal stripes

What fish is this?

Bluegill (Centrarchidae)

• Spot on dorsal fin

• Horizontal lines

• Black spot on the edge of opercle

• Long gill rakers

What fish is this?

Largemouth Bass (Centrarchidae)

• Long body shape

• 2 dorsals are connected

• Large mouth (goes beyond eye)

What fish is this?

White crappie (Centrarchidae)

• Head bump

• Lighter

What fish is this?

Black crappie (Centrarchidae)

• Head bump

• Darker

What fish is this?

Yellow perch (Percidae)

• 2 dorsal fins

• Dark bands

What fish is this?

Sauger (Percidae)

• 2 dorsal fins

• 17-21 soft dorsal rays

• Spotted dorsals

What fish is this?

Walleye (Percidae)

• 9-12 soft dorsal rays

• Sharp teeth

• White tip on caudal fin

What fish is this?

Sea lamprey (Petromyzontidae)

What fish is this?

Common carp (Cyprinidae)

• Elongate dorsal fin

• Sub-terminal mouth

• Hump

What fish is this?

Goldfish (Cyprinidae)

• Elongate dorsal fin

• Sub-terminal mouth

• Hump

• Yellow/gold

What fish is this?

Silver carp (Xenocyprinidae)

• 1 dorsal fin

• Eyes near midline

• Large head

• Lateral line dips

What fish is this?

Bighead carp (Xenocyprinidae)

• 1 dorsal fin

• Eyes near midline

• Large head

• Lateral line dips

What fish is this?

Grass carp (Xenocyprinidae)

• 1 dorsal fin

• Eyes near mid-line

• Smaller head

What fish is this?

Ruffe (Percidae)

• 2 dorsal fins (connected)

• Patterning on dorsal and caudal fins

What fish is this?

Round goby (Gobiidae)

• Fused pelvic fin

What fish is this?

Smallmouth Bass (Centrarchidae)

• Long body shape

• 2 dorsals are connected

• Small mouth (does not go beyond eye)