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River Redhorse

River Redhorse

River Redhorse are large freshwater suckers that reach impressive sizes in Kentucky waters. Kentucky harbors apparently secure populations of River Redhorse, particularly in the central Mississippi basin region.

These late-maturing, long-lived fish can reach 28 years old and are excellent indicators of clean, healthy river ecosystems.

Scientific Name: Moxostoma carinatum

Physical Characteristics:
  • Mature specimens typically exceeding 20 inches and weights of 5-10 pounds.
  • They're distinguished by their brassy orange to copper-colored bodies with olive backs, large flat-topped heads, deeply plicate lips without cross striations, and distinctive bright red dorsal and caudal fins.

What to know

Habitat Distribution

  • They inhabit medium to large rivers with moderate to swift currents, clean gravel or cobble substrates, and deep run habitats typically 1-10 feet deep.

Key Locations

  • In Kentucky, they're found in major river systems including the Ohio River, Mississippi River, and their tributaries.
  • Kentucky's major river systems including the Ohio River and its tributaries offer the best opportunities.

Specific Spots

  • Target areas with moderate to strong current over gravel or cobble substrates in medium to large rivers.
  • Look for long, deep run habitats.
  • Outside spawning periods, they utilize deeper pool habitats.

River Redhorse FAQ

Answers from onWater's species guide.

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

Nightcrawlers are most effective, though crayfish, cut clam, small shiners, and pieces of shrimp also work well.

What flies work for River Redhorse in Kentucky?

Size 10-12 black nymphs, beaded woolly buggers, clouser minnows, stonefly imitations, clam flies, and crawfish patterns.

When is the best time to fish for River Redhorse in Kentucky?

Late spring through early fall when they're most active, avoiding the late May through June spawning period. They are comparatively late spawners among suckers, typically spawning in late spring when water temperatures reach 68-74°F.

How do you catch River Redhorse in Kentucky?

Bottom-fishing techniques, centerpin float-fishing method is particularly effective, allowing bait to drift naturally downstream while brushing the bottom.

What do River Redhorse eat?

These bottom-feeding fish have specialized molar-like pharyngeal teeth perfect for crushing their preferred prey of mollusks, which comprise about 25% of their diet - higher than any other sucker species. They also feed on crayfish, aquatic insect larvae, snails, and crustaceans.

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