Greater redhorse

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.

Distribution

The greater redhorse is endemic to states in the northcentral and northeastern United States as well as Ontario and Quebec in Canada. It is typically found in clear, relatively fast-moving rivers and in both shallow and deep waters in some lakes. They are unable to survive in even the slightest polluted waters. They, therefore have the ability to detect contaminated water sources.

Behaviour

A bottom-feeder's mouth opens in the inferior position of the ventral surface of the fish. It feeds on various bottom dwelling organisms including, microcrustaceans, aquatic and larval insects, detritus, snails, and algae.