Atelopus nanay Coloma, 2002

Black stubfoot toad



Taxonomy & Nomenclature



Conservation Status

Extinct in the wild or rediscovered

Last record: July 1989?

IUCN RedList status: Critically Endangered





Biology & Ecology











Original scientific description:

Coloma, L. A. (2002). Two species of Atelopus (Anura: Bufonidae) from Ecuador. Herpetologica 58(2): 229-252.


Other references:

Coloma, L. A. (2002). Two species of Atelopus (Anura: Bufonidae) from Ecuador. Herpetologica 58(2).

Coloma, L. A., Almeida-Reinoso, D. (2012). Ex situ management of five extant species of Atelopus in Ecuador - Progress Report. Amphibian Ark Newsletter 20: 9-11.

Galarza, Jomira Katherine Yánez. (2022). Detection of the lethal fungus Batrachochytrium dendrobatidis (Chytridiomycota) and molecular characterization of cultivable skin bacteria associated with three critically endangered species of Atelopus (Anura: Bufonidae) in Ecuador.

IUCN SSC Amphibian Specialist Group. 2018. Atelopus nanay. The IUCN Red List of Threatened Species 2018: e.T54532A98642265. Downloaded on 06 July 2018.

Jaynes, Kyle E. et al. (2022). Harlequin frog rediscoveries provide insights into species persistence in the face of drastic amphibian declines. Biological Conservation 276: 109784.

La Marca, E., Lips, K.R., Lötters, S., Puschendorf, R., Ibáñez, R., Rueda-Almonacid, J.V., Schulte, R., Marty, C., Castro, F., Manzanilla-Puppo, J., Garcia-Perez, J.E., Toral, E., Bolaños, F., Chaves, G., Pounds, J.A. and Young, B. 2005. Catastrophic population declines and extinctions in Neotropical harlequin frogs (Bufonidae: Atelopus). Biotropica 37(2): 190-201.

Manzano-Pasquel, A.L. 2014. Revisiting the enigmatic: Emergence of Bd coincide with amphibian decline in Los Andes of Ecuador. Department of Biology Ecology, Evolution and Conservation, San Francisco State University.

Martín-Torrijos, L., Sandoval-Sierra, J.V., Muñoz, J., Diéguez-Uribeondo, J., Bosch, J. and Guayasamin, J.M. 2016. Rainbow trout (Oncorhynchus mykiss) threaten Andean amphibians. Neotropical Biodiversity, 2(1): 26-36.

Merino-Viteri, A. 2001. Análisis de posibles causas de las disminuciones de poblaciones de anfibios en los Andes del Ecuador. Tesis de Licenciatura. Pontifica Universidad Católica del Ecuador, Quito, Ecuador.

Pounds, J.A., Bustamante, M.R., Coloma, L.A., Consuegra, J.A., Fogden, M.P.L., Foster, P.N., La Marca, E., Masters, K.L., Merino-Viteri, A., Puschendorf, R., Ron, S.R., Sánchez-Azofeifa, G.A., Still, C.J. and Young, B.E. 2006. Widespread amphibian extinctions from epidemic disease driven by global warming. Nature 439: 161-167.


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