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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.
The greater redhorse (Moxostoma valenciennesi) is a species of freshwater fish found in northeastern North America. It is the largest member of the genus Moxostoma, with a maximum length of 80 cm (31.5 in). The greater redhorse is long lived with a maximum reported age of 27 years. [2]
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. [2] [3] [4] Several redhorses are long-lived (lifespans greater than 20 years), much like many other catostomid species.
While some fish ranges have decreased since the construction of the dams, the shorthead redhorse's range has expanded. [4] The shorthead redhorse is a "habitat generalist near the core of its range," so it can tolerate disturbance better than other related redhorse species such as the river redhorse , M. carinatum. [ 5 ]
The black redhorse (Moxostoma duquesnei, also duquesnii, duquesni) is a species of freshwater fish endemic to Ontario and the eastern half of the United States, where it lives in streams and small to medium rivers. A bottom-feeder, it feeds on microcrustaceans, aquatic insects, detritus, and algae. The black redhorse spawns in the spring.
M. robustum is a large, fairly long-living animal compared to other members of its family; [4] the fish can weigh up to 17 pounds (7.7 kg) and live for up to 27 years, [2] although it averages 25 inches (64 cm) in length and 9 pounds (4.1 kg) in weight. [4]
Because of extreme similarities, the silver red horse is commonly confused with the Black redhorse and the Golden redhorse. However, both of these redhorses have slightly concave dorsal fins (curves in toward body) with only 12–14 fin rays. Additionally the Silver red horse is more deep-bodied than the golden or black redhorse.
The golden redhorse is a game fish, and is being increasingly pursued by rod-and-line anglers. [7] [8] The golden redhorse is also pursued by 21st century bowfishing that produces tons of wanton waste, where fish are targeted with bow and arrows at day or night in unregulated fashion. [6]