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River Redhorse


River Redhorse

River Redhorse are one of six redhorse species found in Minnesota waters, distinguished by their bright red tail and fins, blunt nose, and sickle-shaped dorsal fin.

These medium-sized fish are highly sensitive to water quality, requiring clean streams and rivers with sand, gravel, or rocky bottoms.

River Redhorse are late-maturing, long-lived fish that can reach 28 years of age and require large interconnected riverine habitat.

Scientific Name: Moxostoma carinatum


Physical Characteristics:
  • Average 12-24 inches in length and 2-4 pounds, though they can reach up to 30 inches and 8-9 pounds.
  • Distinguished by their bright red tail and fins, blunt nose, and sickle-shaped dorsal fin.

What to know

Habitat Distribution

  • In Minnesota, River Redhorse populations appear stable and secure in the Mississippi and St.
  • Croix rivers.
  • They disappeared from the Minnesota River in the 1890s due to increased turbidity and pollutants.

Key Locations

  • St.
  • Croix River system and its tributaries, Mississippi and St.
  • Croix rivers, Kettle River (where the current state record was caught).

Specific Spots

  • Focus on areas with moderate to swift current over clean gravel, boulders, and rubble substrates.
  • Target deeper pools and runs during non-spawning periods, and rocky riffles during spawning migrations.
  • During spawning, they move to areas with fast-flowing water and gravel or cobble substrates.

River Redhorse FAQ

Answers from onWater's species guide.

What are the best lures and bait for River Redhorse in Minnesota?

Small live baits work best, particularly pieces of nightcrawler, leeches, and small crayfish.

What flies work for River Redhorse in Minnesota?

Productive patterns include size 10-12 black nymphs, small beaded woolly buggers, clouser minnows, stonefly imitations, clam flies, and crawfish patterns.

How do you catch River Redhorse in Minnesota?

Wade downstream and sight-fish to visible fish when possible, casting upstream and swinging bait toward them. Watch your line tip carefully for subtle takes. River Redhorse have sub-terminal mouths requiring bait to reach the bottom, and they will investigate but not chase fast-moving presentations.

What do River Redhorse eat?

They specialize in eating freshwater clams, mussels, and snails which they 'vacuum' off the bottom using molariform throat teeth, making them one of six North American fish capable of eating invasive zebra mussels. They also feed on benthic invertebrates including insect larvae and crayfish.

Where do River Redhorse live in Minnesota?

In Minnesota, River Redhorse populations appear stable and secure in the Mississippi and St. Croix rivers. They disappeared from the Minnesota River in the 1890s due to increased turbidity and pollutants.

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