''Chirostoma bartoni'', the Alberca 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 freshwa ...
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 the
Lerma River
The Lerma River ( es, Río Lerma) is Mexico's second longest river. It is a river in west-central Mexico that begins in Mexican Plateau at an altitude over above sea level, and ends where it empties into Lake Chapala, Mexico's largest lake, nea ...
basin of Mexico. Typical adult specimens are approximately 7.1 cm in length.
The Alberca silverside was found only in the Alberca Caldera, Guanajuato, Mexico and likely became extinct when the caldera temporarily dried up in August 2006.
The
specific name honours
Barton Appler Bean
Barton Appler Bean was an American ichthyologist, born May 21, 1860 in Lancaster County, Pennsylvania and died June 16, 1947 in Chemung, New York, after falling from a bridge.
He was the brother of the ichthyologist Tarleton Hoffman Bean (1846-191 ...
(1860-1947) who was Assistant Curator of Fishes at the
U.S. National Museum.
References
bartoni
Freshwater fish of Mexico
Taxonomy articles created by Polbot
Fish described in 1896
Fish extinctions since 1500
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