The Recently Extinct Plants and Animals Database

Atelopus senex Taylor, 1952

Pass stubfoot toad



Taxonomy & Nomenclature



Conservation Status

Last record: 1986

IUCN RedList status: Critically Endangered



Costa Rica


Biology & Ecology










Barrantes, U. (1986). Observaciones de campo del comportamiento reproductivo de Atelopus senex (Anura: Bufonidae) Universidad de Costa Rica, San José. Unpublished, Master's Thesis.

Federico Bolaños, Gerardo Chaves, Uriel Barrantes. (2004). Atelopus senex. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. ( Downloaded on 14 July 2013.

Ramírez, Juan P. et al. (2020). Recent and Rapid Radiation of the Highly Endangered Harlequin Frogs (Atelopus) into Central America Inferred from Mitochondrial DNA Sequences. Diversity 12(9): 360.


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