The longfin dace (''Agosia chrysogaster'') is a leuciscid fish that is found in western

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

and

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

. It is the only member of its genus. The

Gila longfin dace The Gila longfin dace (''Agosia chrysogaster chrysogaster'') is an subspecies of the longfin dace found in Arizona. It is considered the nominate subspecies of the longfin dace The longfin dace (''Agosia chrysogaster'') is a leuciscid fish t ...

is considered the nominate subspecies. The

Yaqui longfin dace The Yaqui longfin dace is a small fish of the American Southwest and northern Mexico, and considered a form of the longfin dace. It is often referred to as ''Agosia chrysogaster'' sp 1. Description The Yaqui longfin dace is similar to the Gil ...

is considered a form.

References

* Leuciscinae Fish of North America Fish described in 1856 Taxa named by Charles Frédéric Girard {{Leuciscinae-stub