The largemouth shiner (''Cyprinella bocagrande'') is a critically endangered species of

cyprinid 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 ...

fish. It is found only in the

Guzmán Basin The Guzmán Basin is an endorheic basin of northern Mexico and the southwestern United States. It occupies the northwestern portion of Chihuahua in Mexico, and extends into southwestern New Mexico in the United States. Notable rivers of the Guzmá ...

in northwestern

Chihuahua Chihuahua may refer to: Places *Chihuahua (state), a Mexican state **Chihuahua (dog), a breed of dog named after the state **Chihuahua cheese, a type of cheese originating in the state **Chihuahua City, the capital city of the state **Chihuahua Mun ...

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 ...

, where it is called ''sardinita bocagrande''. In 2012, it only survived in a single spring, which also was the last remaining habitat for the

Carbonera pupfish The Carbonera pupfish (''Cyprinodon fontinalis''), also known as the Perrito de carbonera, is a small, endangered species of pupfish in the family Cyprinodontidae. It is endemic to springs and associated waters at Bolsón de los Muertos in nort ...

(''Cyprinodon fontinalis'') and the dwarf crayfish '' Cambarellus chihuahuae''. As this single spring was declining, it was decided to move some individuals of all three species to a nearby refuge in 2014 as a safeguard. The largemouth shiner grows to a

standard length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish m ...

of .

References

Cyprinella Freshwater fish of Mexico Endemic fish of Mexico Taxa named by Barry Chernoff Taxa named by Robert Rush Miller Fish described in 1982 Taxonomy articles created by Polbot {{Leuciscinae-stub