Atelopus bomolochos Peters, 1973

Azuay stubfoot toad



Taxonomy & Nomenclature



Conservation Status

Last record: 2002

Rediscovered twice: Last record 1991-rediscovered 2002; Last record 2002-rediscovered 2015?

IUCN RedList status: Critically Endangered



Cordillera Oriental, Azuay and Cañar Provinces, Ecuador (southern)


Biology & Ecology










Original scientific description:

Peters, J. A. (1973). The frog genus Atelopus in Ecuador (Anura: Bufonidae). Smithsonian Contributions to Zoology [1973]: 1-49.

Other references:

Coloma, L.A., Lötters, S. and Salas, A.W. 2000. Taxonomy of the Atelopus ignescens complex (Anura: Bufonidae): designation of a neotype of Atelopus ignescens and recognition of Atelopus exiguus. Herpetologica: 303-324.

Luis A. Coloma, Santiago Ron, Stefan Lötters, Martín R. Bustamante, Andrés Merino-Viteri, Antonio Salas. 2004. Atelopus bomolochos. The IUCN Red List of Threatened Species 2004: e.T54492A11142176. . Downloaded on 10 October 2015.

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.

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: 190-201.

Lötters, S. 1996. The Neotropical Toad Genus Atelopus. Checklist - Biology - Distribution. Vences, M. and Glaw, F. Verlags GbR, Köln, Germany.

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.

Ron, S.R. and Merino, A. 2000. Amphibian declines in Ecuador: overview and first report of chytridiomycosis from South America. FrogLog: 2-3.

Ron, S.R., Duellman, W.E., Coloma, L.A. and Bustamante, M.R. 2003. Population decline of the Jambato Toad Atelopus ignescens (Anura: Bufonidae) in the Andes of Ecuador. Journal of Herpetology: 116-126.

Scheffers, Brett R., Yong, Ding Li, Harris, J. Berton C., Giam, Xingli and Sodhi, Navjot S. (2011). The world’s rediscovered species: back from the brink? PLoS ONE 6(7): e22531. [Supporting Information (Table S1)]


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