''Poblana'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of
Neotropical silversides
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 freshwa ...
that are
endemic
Endemism is the state of a species being found 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 found els ...
to
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 Guate ...
, with each of the four
threatened
Threatened species are any species (including animals, plants and fungi) which are vulnerable to endangerment in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of ''critical depensa ...
species restricted to a single
Oriental Basin maar lake. They are small fish that do not surpass in
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 ...
.
Species
FishBase recognizes four species in this genus,
although genetic differences between them are very limited and some regard all as
subspecies of ''P. alchichica''.
''Poblana'' is sometimes included in ''
Chirostoma
''Chirostoma'' is a genus of Neotropical silversides from the Lerma River basin in Mexico, including lakes Chapala and Pátzcuaro. Fish in the genus collectively go by the common name charal/charales in their native range (a name also used for t ...
'' instead of being regarded a separate genus.
[
* '' Poblana alchichica'' F. de Buen, 1945 (Alchichica silverside)
* '' Poblana ferdebueni'' Solórzano & Y. López, 1965 (Chignahuapan silverside)
* '']Poblana letholepis
''Poblana letholepis'', the La Preciosa silverside is a species of neotropical silverside endemic to Mexico. It was described by Jose Álvarez del Villar in 1950 from types collected from the crater lake of La Preciosa which is southeast of A ...
'' Álvarez Álvarez or Álvares may refer to:
People
* Álvarez (surname), Spanish surname
Places
* Alvares (river), a river in northern Spain
* Alvares (ski resort), in Iran
* Alvares, Iran
* Alvares, Portugal
* Álvarez, Santa Fe, a town in the province o ...
, 1950 (La Preciosa silverside)
* ''Poblana squamata
''Poblana squamata'', the Quechulac silverside, is a species of neotropical silverside endemic to Mexico. It was described by Jose Álvarez del Villar in 1950 from types collected from the crater lake of Quechulac which is southeast of Alchic ...
'' Álvarez Álvarez or Álvares may refer to:
People
* Álvarez (surname), Spanish surname
Places
* Alvares (river), a river in northern Spain
* Alvares (ski resort), in Iran
* Alvares, Iran
* Alvares, Portugal
* Álvarez, Santa Fe, a town in the province o ...
, 1950 (Quechulac silverside)
References
Atherinopsidae
Freshwater fish of Mexico
Taxonomy articles created by Polbot
{{Atheriniformes-stub