Leuciscus is a genus of fish belonging to the family Cyprinidae. They are inland water fishes commonly called Eurasian daces. The genus is widespread from Europe to Siberia. Species broadly distributed in Europe include the common dace Leuciscus leuciscus and the ide L. idus.
Gila is a genus of fish belonging to the family Cyprinidae, native to the United States and Mexico. Species of Gila are collectively referred to as western chubs. The chiselmouth is a close relative, as are members of the genus Siphateles. Several members of the genus are endangered or extinct due to loss of habitat causing by diversion or overuse of water resources, particularly in the western United States.
The Mexican dace, or Mexican chub, is an extinct species of ray-finned fish in the family Cyprinidae. It was found only in Mexico, in the canals and streams of the Valley of Mexico. It is estimated to have become extinct circa 1983. The extinction of this species coincided with the drying of water bodies in the valley. This drying was a result of the increasing demands placed on the water resources of the valley by agriculture, as well as by the growth of Mexico City and its suburbs.
The endorheic chub is an extinct species of ray-finned fish in the family Cyprinidae. It was found only in Mexico.
Macrhybopsis, the blacktail chubs, is a genus of cyprinid fish that are found in North America. There are currently 12 species in this genus.
The Oregon chub is a species of ray-finned fish in the family Cyprinidae. It is endemic to Oregon in the United States. From 1993 to 2015 it was a federally listed threatened species.
Petroleuciscus smyrnaeus, also known as the Izmir chub or Smyrna chub, is a species of ray-finned fish in the family Cyprinidae. It is found in Greece and Turkey. Its natural habitat is rivers. It is threatened by habitat loss.
Semotilus is the genus of creek chubs, ray-finned fish in the family Cyprinidae. The term "creek chub" is sometimes used for individual species, particularly the common creek chub, S. atromaculatus. The creek chub species of minnows can grow from 6 to 10 inches. They can be found in the United States and Canada in any small stream or creek. They hide under small rocks for protection. They have a small black spot on the dorsal fin for easy identification.
Squalius illyricus, the Illyrian chub, is a species of ray-finned fish in the family Cyprinidae. It inhabits karstic waters of Bosnia and Herzegovina, Croatia and Albania. Its natural habitats are rivers and water storage areas. It is threatened by habitat loss.
The riffle chub is a species of freshwater fish in the family Cyprinidae that is endemic to the Armería, Ayutla and Tuxpan river basins in Jalisco and Colima of west-central Mexico. This threatened species is generally found in small rivers and streams in fast-flowing waters that are 18–22 °C (64–72 °F). It typically is 5–10 cm (2–4 in) long.
The Lerma chub is a species of freshwater fish in the family Cyprinidae. It is endemic to the uppermost Lerma River basin in the State of Mexico and Toluca Valley of central Mexico. This threatened species is up to about 13 cm (5.1 in) long.
The Pátzcuaro chub is a species of freshwater fish in the family Cyprinidae. It is endemic to Lake Pátzcuaro and nearby waters in west-central Mexico. This is a relatively large Algansea, reaching a size similar to the popoche chub.
The mountain chub is a species of freshwater fish in the family Cyprinidae, endemic to the Huaynamota, Juchipila and Bolaños rivers in west-central Mexico.
The popoche chub is a species of freshwater ray-finned fish in the genus Algansea of the family Cyprinidae. It is endemic to the Lake Chapala and nearby sections of associated rivers in Jalisco of west-central Mexico. This is a relatively large omnivorous species of Algansea at up to 23 cm (9.1 in) long. Although considered threatened, it can be locally numerous. It is generally not considered a food fish.
The Aztec chub is a cyprinid fish endemic to Mexico. It is the only species in its genus.
Nocomis is a genus of cyprinid fish native to North America. There are currently seven described species in this genus.
Yuriria is a genus of cyprinid fish endemic to the Lerma–Chapala–Grande de Santiago and Ameca basins in Mexico. There are three described species in this genus.
Sarmarutilus rubilio, known as the rovella or the South European roach, is a species of freshwater fish in the family Cyprinidae. It is native in the Tuscano-Latium district of Italy, both in waters draining to the Adriatic and Tyrrhenian Seas, and introduced further south in the country. Its natural habitats are rivers and freshwater lakes. It is threatened by introduced species and habitat loss.
Siphateles is a genus of fish belonging to the family Cyprinidae, native to the Western United States. They were formerly placed in the genus Gila.
The Amatlan chub is a cyprinid fish endemic to the Ameca River basin in Mexico.
