The southern leatherside chub (''Lepidomeda aliciae'') is a species of freshwater

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or hor ...

from the family

Cyprinidae Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest verte ...

, the

carp Carp are various species of oily freshwater fish from the family Cyprinidae, a very large group of fish native to Europe and Asia. While carp is consumed in many parts of the world, they are generally considered an invasive species in parts of ...

s and

minnow Minnow is the common name for a number of species of small freshwater fish, belonging to several genera of the families Cyprinidae and Leuciscidae. They are also known in Ireland as pinkeens. Smaller fish in the subfamily Leusciscidae are co ...

s. It is endemic to

Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...

in the United States. It is found in slow-flowing pools and backwaters, usually over substrates consisting of mud or sand, of creeks and small to medium-sized rivers. Within Utah, this species is found on the southeastern margins of the

Bonneville Basin Lake Bonneville was the largest Late Pleistocene paleolake in the Great Basin of western North America. It was a pluvial lake that formed in response to an increase in precipitation and a decrease in evaporation as a result of cooler temperatur ...

; it has been recorded from the American Fork,

Provo River The Provo River is located in Utah County and Wasatch County, Utah, in the United States. It rises in the Uinta Mountains at Wall Lake and flows about southwest to Utah Lake at the city of Provo, Utah. Course The two main branches of Provo Rive ...

, and Spanish Fork drainages of the

Utah Lake Utah Lake is a shallow freshwater lake in the center of Utah County, Utah, United States. It lies in Utah Valley, surrounded by the Provo- Orem metropolitan area. The lake's only river outlet, the Jordan River, is a tributary of the Great Salt ...

Basin and the San Pitch River,

East Fork Sevier River The Sevier River (pronounced "severe") is a -long river in the Great Basin of southwestern Utah in the United States. Originating west of Bryce Canyon National Park, the river flows north through a chain of high farming valleys and steep canyons ...

, Beaver River, and the lower, middle, and upper

Sevier River The Sevier River (pronounced "severe") is a -long river in the Great Basin of southwestern Utah in the United States. Originating west of Bryce Canyon National Park, the river flows north through a chain of high farming valleys and steep canyons ...

drainages of the Sevier River Basin; it has now apparently been extirpated from the Provo River at Utah Lake and from the Beaver River. It is threatened by the fragmentation of its habitat caused by water abstraction for irrigation, damming, urbanization, and poor farming practices. It is also threatened by introduced predatory fish such as the

brown trout The brown trout (''Salmo trutta'') is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes purely freshwater populations, referred to as the riverine ecotype, ''Salmo trutta'' morph ...

(''Salmo trutta'').

References

Fish described in 1881 {{Leuciscinae-stub Freshwater fish of North America