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The river redhorse (Moxostoma carinatum) is a species of freshwater fish endemic to the eastern half of the United States and southeastern Canada. They can range from 10 to 30 inches in length and can potentially reach a weight of more than 10 pounds after maturity.
Moxostoma, the redhorses or jumprocks, is a genus of North American ray-finned fish in the family Catostomidae. Redhorses are variable in size, geographic location, and other ecological traits such as spawning substrate. [1][2][3] Several redhorses are long-lived (lifespans greater than 20 years), much like many other catostomid species.
The shorthead redhorse is abundant across its range and has one of the largest ranges of any sucker. [13] This species is not currently endangered or threatened, [ 3 ] but has become subject to unregulated bowfishing and wanton waste in the 21st century. [ 10 ]
The robust redhorse (Moxostoma robustum) is one of the largest species in its genus (Moxostoma) and the sucker family (Catostomidae) in North America. The robust redhorse is a heavy-bodied sucker that can reach 31 inches (78 centimeters) in length and weigh up to 18.6 pounds (8.4 kilograms).
The robust redhorse is a large, heavy-bodied sucker that attains total lengths greater than 70 cm (28 in) and weights up to 8 kg (17.6 lbs). Like the river redhorse, a related species, the robust redhorse has large molar-like pharyngeal teeth, which are a specialization for crushing hard-bodied prey such as native mussels.
The river redhorse is a moderately chubby, coarse-scaled sucker with a short dorsal fin. The lower lips are broken up into parallel folds. The rear margin of the lower lip forms a slight V-shaped angle.
30 sie 2023 · Six species of redhorse sucker (family Catostomidae, genus Moxostoma) occur in Minnesota, and all are harvested recreationally, particularly by bowfishing. Currently, this group is managed collectively as a single stock, yet contemporary data on life history, harvest levels, and population dynamics have not been analyzed.
