Cyprinodon alvarezi Miller, 1976
Potosí pupfish, Perrito de Potosi
Taxonomy & Nomenclature
Conservation Status
Extinct in the wild
Last record: 1994
IUCN RedList status: Extinct in the Wild
Distribution
Potosí Spring, Nuevo León, Mexico
Biology & Ecology
Hypodigm
Media
Burkhead (2012:805) includes two images, one of the Potosí Spring in 1972, and then its replacement by a grassed area in 1995.
Photographs of the Potosí Pupfish (Cyprinodon alvarezi) in an aquarium environment can be seen here: http://www.killi.co.uk/speciesProfile/Cyprinodon/alvarezi/
References
Original scientific description:
Miller, R. R. (1976). Four new Pupfishes of the genus Cyprinodon from México, with a key to the C. eximius complex. Bull. Southern California Acad. Sci. 75: 68-75.
Other references:
Bullido, Juan Vicente Pérez (2003). Cyprinodon - Cyprinodon alvarezi "El Potosí". Sociedad Española de Killis, April 2003.
Burkhead, Noel M. (2012). Extinction Rates in North American Freshwater Fishes, 1900–2010. BioScience 62(9): 798-808.
Contreras-Balderas, S. & Almada-Villela, P. (1996). Cyprinodon alvarezi. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. (http://www.iucnredlist.org). Downloaded on 22 July 2012.
Contreras-Balderas, S. and Lozano-Vilano, M. L. 1996. Survival status of the Sandia and Potosí Valleys endemic pupfishes and crayfishes from the Mexican plateau in Nuevo león, Mexico, with Comments on Associated Extinct Snails. Ichthyological Exploration of Freshwaters 7(1): 33-40.
Dalrymple, S. E., Abeli, T., Ewen, J. G., Gilbert, T. C., Hogg, C. J., Lloyd, N. A., Moehrenschlager, A., Rodríguez, J. P. and Smith, D. (2023). Addressing Threats and Ecosystem Intactness to Enable Action for Extinct in the Wild Species. Diversity 15: 268. https://doi.org/10.3390/d15020268
Jelks, Howard L., Walsh, Stephen J., Burkhead, Noel M., Contreras-Balderas, Salvador, Díaz-Pardo, Edmundo, Hendrickson, Dean A., Lyons, J., Mandrak, Nicholas E., McCormick, Frank, Nelson, Joseph F., Platania, Steven P., Porter, Brady A., Renaud, Claude B., Schmitter-Soto, Juan Jacabo, Taylor, Eric B. and Warren, Melvin L. Jr. (2008). Conservation status of imperiled North American freshwater and diadromous fishes. Fisheries 33(8): 372-407.
Koldewey, H., Cliffe, A., and Zimmerman, B. 2013. Breeding programme priorities and management techniques for native and exotic freshwater fishes in Europe. International Zoo Yearbook 47: 93-101.
Lozano-Vilano, M. L. and Maza-Benignos, M. De La. (2016). Diversity and status of Mexican killifishes. Journal of Fish Biology. doi:10.1111/jfb.13186 [Abstract]
Maceda-Veiga, A., Domínguez-Domínguez, O., Escribano-Alacid, J., and Lyons, J. (2016). The aquarium hobby: can sinners become saints in freshwater fish conservation? Fish and Fisheries 17(3): 860-874.
Miller, Robert Rush, Minckley, W. L. and Norris, S. M. (2005). Freshwater Fishes of México. Chicago: University of Chicago Press.
Smith, Donal et al. (2023). Extinct in the wild: The precarious state of Earth’s most threatened group of species. Science 379(6634): eadd2889. https://doi.org/10.1126/science.add2889
Valdes Gonzales, A. (2019). Cyprinodon alvarezi. The IUCN Red List of Threatened Species 2019: e.T6144A3104750. https://dx.doi.org/10.2305/IUCN.UK.2019-2.RLTS.T6144A3104750.en. Accessed on 11 June 2022.
http://www.fishbase.us/summary/Cyprinodon-alvarezi.html
http://www.arkive.org/potosi-pupfish/cyprinodon-alvarezi/image-G64814.html
http://www.telegraph.co.uk/news/earth/wildlife/5892418/Extinct-fish-bred-by-British-zoo.html