Chirostoma bartoni

Chirostoma bartoni, the Alberca silverside, is a species of neotropical silverside endemic to the Lerma River basin of Mexico. Typical adult specimens are approximately 7.1 cm in length.^[1]

Chirostoma bartoni
Conservation status
Critically endangered, possibly extinct  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Atheriniformes
Family:	Atherinopsidae
Genus:	Chirostoma
Species:	C. bartoni
Binomial name
Chirostoma bartoni D. S. Jordan & Evermann, 1896

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.^[2]

The specific name honours Barton Appler Bean (1860-1947) who was Assistant Curator of Fishes at the U.S. National Museum.^[3]