The Recently Extinct Plants and Animals Database

Cambarellus alvarezi Villalobos, 1952

Alvarez's Dwarf Crayfish



Taxonomy & Nomenclature



Conservation Status


Last record: 1991 (Alvarez et al., 2010b)

IUCN RedList status: Extinct



Ejido El Potosi spring, Galeana, Nuevo Leon state, Mexico






"Holotype and morphotype, IBM 1-1952 (male I, male II); paratypes, USNM."







Alvarez, F., López-Mejía, M. & Pedraza Lara, C. (2010a). Cambarellus alvarezi. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. ( Downloaded on 24 April 2011.

Alvarez, F., López-Mejía, M. & Pedraza Lara, C. 2010b. Cambarellus alvarezi. The IUCN Red List of Threatened Species 2010: e.T153825A4550209. Downloaded on 26 June 2021.

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.

Crandall, Keith A., James W. Fetzner, Jr., and Horton H. Hobbs, Jr. (2001). Cambarellus (Cambarellus) alvarezi Villalobos 1952. Version 01 January 2001 (under construction). in The Tree of Life Web Project,

Miller, R.R. and Walters, V. 1972. A new genus of cyprinodontid fish from Nuevo Leon, Mexico. Contributions in Science, Natural History Museum of Los Angeles County 233: 1-13.

Rodriguez-Almaraz, G.A. and Campos, E. (1994). Distribution and status of the crayfishes (Cambaridae) of Nuevo Leon, Mexico. Journal of Crustacean Biology 14: 729-735.

Villalobos, A. (1955 [translation 1983]). Crayfishes of Mexico (Crustacea: Decapoda). New Delhi, India: Amerind Publishing Co. Pvt. Ltd. pp. 269-275.


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