''Poblana letholepis'', the La Preciosa silverside 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 ...

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 ...

. It was described by Jose Álvarez del Villar in 1950 from

types Type may refer to: Science and technology Computing * Typing, producing text via a keyboard, typewriter, etc. * Data type, collection of values used for computations. * File type * TYPE (DOS command), a command to display contents of a file. * Ty ...

collected from the crater lake of La Preciosa which is southeast of Alchichica,

Puebla State Puebla, officially the Free and Sovereign State of Puebla, is one of the 31 states that, along with Mexico City, comprise the Federal Entities of Mexico. It is divided into 217 municipalities and its capital is Puebla City. Part of east-centra ...

, Mexico at and elevation of .

References

Poblana Endemic fish of Mexico Freshwater fish of Mexico Endangered fish Fish described in 1950 Taxonomy articles created by Polbot Oriental Basin {{Atheriniformes-stub