Atelopus onorei Coloma, Lötters, Duellman & Miranda-Leiva, 2007



Taxonomy & Nomenclature



Conservation Status


Last record: 1990

IUCN RedList status: Critically Endangered (Possibly Extinct)



Azuay Province, Ecuador


Biology & Ecology










Original scientific description:

Coloma, Luis A., Lötters, S., Duellman, W.E., and Miranda-Leiva, A. (2007). A taxonomic revision of Atelopus pachydermus, and description of two new (extinct?) species of Atelopus from Ecuador (Anura: Bufonidae). Zootaxa 1557: 1-32. [Abstract]


Other references:

Luis A. Coloma. (2008). Atelopus onorei. The IUCN Red List of Threatened Species. Version 2014.3. ( Downloaded on 16 November 2014.

IUCN SSC Amphibian Specialist Group. 2018. Atelopus onorei. The IUCN Red List of Threatened Species 2018: e.T136173A98658156. Accessed on 07 July 2022.

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.

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.

Ron, S.R., Guayasamin, J.M and Menéndez-Guerrero, P. 2011. Biodiversity and Conservation Status of Amphibians of Ecuador. In: H. Heatwole, C.L. Barrio-Amoros and H.W. Wilkinson (eds), Amphibian Biology, pp. 129-170. Surrey Beatty & Soons PTY Limited, Baulkham Hills, Australia.


<< Back to the Anura (Frogs and Toads) database