The Alchichica silverside (''Poblana alchichica'') is a species of

neotropical silverside The neotropical silversides are a family, Atherinopsidae, of fishes in the order Atheriniformes. About 112 species in 13 genera are distributed throughout the tropical and temperate waters of the New World, including both marine and freshwater ha ...

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Lake Alchichica The Oriental Basin, also known as the Libres-Oriental Basin, Oriental-Serdán Basin or San Juan Plains (in Spanish, ''Llanos de San Juan'' or ''Cuenca de Libres-Oriental)'', is an endorheic basin in east-central Mexico. It covers an area of 4,958.6 ...

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

. ''Poblana achichica'' measures up to 10 in. (25 cm). According to a 2001 book, information on its breeding habits are not widely known and its primary food source is small aquatic invertebrates. The threats to ''Poblana achichica'' are

largemouth bass The largemouth bass (''Micropterus nigricans'') is a carnivorous, freshwater fish, freshwater, ray-finned fish in the Centrarchidae (sunfish) family, native to the eastern United States, eastern and central United States, southeastern Canada an ...

and the

habitat destruction Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease ...

from people. This species was described by Don Fernando de Buen y Lozano in 1945 from a type locality of Lake Alchichica.

References

alchichica Endemic fish of Mexico Freshwater fish of Mexico Fish described in 1945 Critically endangered animals Oriental Basin {{Atheriniformes-stub