Fish Active during the day

Golden Redhorse

Moxostoma erythrurum

iNaturalist Wikipedia

A gleaming resident of North America's cleanest rivers, the Golden Redhorse is a master of the riverbed. With its brassy scales and gentle nature, it serves as a golden indicator of a healthy aquatic world.

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Quick Identification

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Size

Typically 12-18 inches (30-45 cm) in length and weighing 1-2 lbs (0.45-0.9 kg), though trophy specimens can reach 26 inches and 5 lbs.

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Colors

Brassy or golden-olive sides with dark-edged scales, a white or cream-colored belly, and slate-gray to olive tail and dorsal fins.

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Key Features

Large, golden-to-bronze scales with dark bases
Slate-gray tail fin (distinguishes it from the red-tailed Shorthead Redhorse)
Subterminal mouth with thick, fleshy lips
Solid, cylindrical body shape built for bottom-dwelling

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 8 AM - 11 AM, 3 PM - 6 PM

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Season April-June (Spawning) and September-October

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Diet A benthic feeder that uses its specialized suction mouth to consume aquatic insect larvae, small mollusks, snails, and crustaceans found in the riverbed.

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Habitat Clear streams and medium-sized rivers with gravel or sandy bottoms; also found in the shallow margins of clean lakes.

public Geographic range

Where Does the Golden Redhorse Live?

Native to the freshwater systems of North America, the Golden Redhorse occupies a vast territory stretching from the Great Lakes and the Saint Lawrence River drainage in Canada down through the Mississippi River basin. Its core range encompasses the Midwestern and Southern United States, reaching as far west as Oklahoma and as far south as the Mobile Bay drainage in Alabama. It is an quintessential resident of the Ozarks and the Appalachian foothills, thriving in the well-oxygenated waters of these temperate regions.

Basemap © OpenStreetMap contributors

2 Countries

3.5M km² Range

Least Concern Conservation

US United States CA Canada

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iNaturalist / Verified observation data

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Behavior

The Golden Redhorse is a social, bottom-dwelling species that is often found in small schools, particularly during the juvenile stages. They are highly sensitive to water quality and siltation, acting as a biological indicator for the health of a river system. While they spend much of their time calmly hovering near the substrate, they are powerful swimmers capable of navigating moderate currents with ease.

During the spring, these fish exhibit fascinating spawning behavior, migrating into smaller, gravel-bottomed tributaries. Unlike many other fish, they do not build traditional nests; instead, they clear small areas of gravel through body movements. They are generally wary of humans but can become accustomed to observers in clear, slow-moving water, making them excellent subjects for patient underwater photography.

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Camera Tips

Capturing the Golden Redhorse on camera requires an underwater setup, such as an action camera mounted on a weighted base or a specialized underwater trail camera. For the best AI recognition, place the camera in a run or riffle margin where the water is clear and between 2 to 4 feet deep. Position the lens horizontally, approximately 4-6 inches off the bottom, to capture the distinct scale patterns and mouth structure needed for identification.

To attract the Golden Redhorse to your camera's field of view, look for 'sucker holes'—areas of clean gravel among silty patches where they have been feeding. While they don't respond to traditional bait in the same way as catfish, you can stimulate their natural foraging behavior by gently disturbing the upstream substrate to release larvae and small invertebrates into the current. This 'chumming' with natural riverbed material often draws them in to investigate the drift.

Optimal lighting is key for capturing their metallic golden sheen. Aim to record during the mid-morning when the sun is high enough to penetrate the water column but not so direct that it creates heavy surface glare. If your camera supports it, use a high frame rate (60fps) to capture their subtle fin movements and the way they use their fleshy lips to sort through gravel. During the spring spawning run, focus your efforts on shallow gravel bars where activity is most concentrated.

Similar Species

Species that look similar or are commonly confused with Golden Redhorse.

Shorthead Redhorse

The Shorthead has a distinct bright red tail and a much smaller, narrower head compared to the Golden Redhorse.

Silver Redhorse

Larger and more silver-toned than golden, with a larger eye and a deeper body shape.

White Sucker

Has much smaller scales (over 55 along the lateral line) and a more slender, torpedo-like body shape.

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Frequently Asked Questions

Golden Redhorse are primarily diurnal, meaning they are active during daylight hours. They are most frequently seen foraging in the mid-morning and late afternoon when light levels allow them to see prey on the river bottom clearly.

Ensure your camera is in a clear, gravelly area. You can attract them by gently disturbing the upstream rocks to send aquatic insects toward the camera, or by providing a 'clean' patch of gravel in an otherwise silty area, which they will naturally gravitate toward for feeding.

They are benthic insectivores, meaning they eat 'bottom bugs.' Their diet consists mostly of midge larvae, mayfly nymphs, caddisfly larvae, and small snails or fingernail clams found in the substrate.

They can be common in suburban areas if the local streams remain unpolluted and free of excessive silt. They are much more sensitive to urban runoff than species like Common Carp or Green Sunfish.

The most reliable way is the tail color; the Golden Redhorse has a slate-gray or olive tail, whereas the Shorthead Redhorse has a bright red tail. Additionally, the Golden Redhorse has a larger, more robust head compared to the 'short' head of its cousin.

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