The Recently Extinct Plants and Animals Database

Atelopus chiriquiensis Shreve, 1936

Chiriqui harlequin toad, Chiriqui harlequin frog



Taxonomy & Nomenclature



Conservation Status

Last record: 1996 (Costa Rica), late 1990's (Panama)

IUCN RedList status: Critically Endangered



Costa Rica & Panama












Jaslow, A. P. (1979). Vocalization and aggression in Atelopus chiriquiensis (Amphibia, Anura, Bufonidae). J. Herpetol. 13(2):141-145.

Kim, Y. H., Kim, Y. B., & Yotsu-Yamashita, M. (2003). Potent neurotoxins: tetrodotoxin, chiriquitoxin, and zetekitoxin from Atelopus frogs in Central America. Toxin Reviews 22(4): 521-532. [Abstract]

Karen Lips, Roberto Ibáñez, Federico Bolaños, Gerardo Chaves, Frank Solís, Jay Savage, César Jaramillo, Querube Fuenmayor, A. Castillo. (2010). Atelopus chiriquiensis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. ( Downloaded on 10 February 2013.

Lindquist, E.D. and Swihart, D.W. (1997). Atelopus chiriquiensis (Chiriqui harlequin frog): mating behaviour and egg laying. Herpetological Review 28: 145-46.

Pavelka, L. A., Kim, Y. H., and Mosher, H. S. (1977). Tetrodotoxin and tetrodotoxin-like compounds from the eggs of the Costa Rican frog, Atelopus chiriquiensis. Toxicon 15(2): 135-139.

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.

Savage, J. M. (1972). The harlequin frogs, genus Atelopus, of Costa Rica, and western Panama. Herpetologica 1972: 77-94.


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