Shorthead Redhorse

The Shorthead Redhorse is not native to Colorado according to official state fish records, though it appears in the state's fish inventory as an introduced species. They serve as important indicators of high water quality and avoid turbid or polluted waters.
Scientific Name: Moxostoma macrolepidotum
This distinctive sucker is characterized by its silvery to bronze coloration with dark olive-brown backs, pale underbellies, and bright reddish-orange fins including a distinctive red forked tail.
They have a small head (17-19% of total body length), downward-pointing fleshy mouth, and a unique pea-shaped swelling on their upper lip that differentiates them from other redhorse species.
Adult Shorthead Redhorse typically measure 12-18 inches and weigh 2-3 pounds, though specimens can reach up to 25 inches and 6 pounds.
Fishing in Colorado
What to know
Habitat Distribution
They are bottom-feeding suckers that inhabit lakes and prefer shallow areas with sand and gravel substrate in clean, clear water.Specific Spots
Target areas with sand and gravel substrate in clear water, focusing on riffles, rock and boulder pockets, drop-offs, current edges, and areas near dams and falls.Shorthead Redhorse FAQ
Answers from onWater's species guide.
What are the best lures and bait for Shorthead Redhorse in Colorado?
The best baits are nightcrawlers and worms, though they will also take clams, shrimp, canned meat, and even multi-colored sponges. Use half a worm on a #6 or #8 hook. Small jigs, bread or dough balls, cut bait, minnows, and freshwater worms.
What flies work for Shorthead Redhorse in Colorado?
For fly fishing, effective patterns include flies, small jigs, bread or dough balls, cut bait, minnows, and freshwater worms.
When is the best time to fish for Shorthead Redhorse in Colorado?
Spring through fall offers the best opportunities, but avoid the March-June spawning period when water temperatures reach 45-61°F.
How do you catch Shorthead Redhorse in Colorado?
A slipfloat rig is highly effective. Fish near the substrate in medium to strong currents.
What do Shorthead Redhorse eat?
Their diet consists primarily of small mollusks, insects, insect larvae, mayflies, water fleas, caddisflies, scuds, worms, and other aquatic invertebrates - eating more insects than any other fish in the sucker family.
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