Atelopus boulengeri Peracca, 1904

Class: Amphibia > Order: Anura > Family: Bufonidae > Genus: Atelopus > Species: Atelopus boulengeri

Atelopus boulengeri Peracca, 1904, Boll. Mus. Zool. Anat. Comp. Univ. Torino, 19 (465): 20. Syntypes: MZUT 559 (Gualaquiza) (9 specimens), 560 (San José) (7 specimens), according to Gavetti and Andreone, 1993, Cat. Mus. Reg. Sci. Nat., Torino, 10: 58. (Note: Summary presented by Lötters, 1996, Neotrop. Toad Genus Atelopus: 17, differs from this in both numbers of types and which numbers apply to which locality.) Type localities: "Gualaquiza", Santiago-Zamora Province, Ecuador [MZUT 559], and "parecchi di S. Josè, Ecuador orientale" [MZUT 560] (San José = San José de Cuchipamba, about 5 mi. above Gualaquiza on the Río Blanco at 1000 m, according to Peters, 1955, Rev. Ecuat. Entomol. Parsitol., 2: 348).

Atelopus bicolor Noble, 1921, Am. Mus. Novit., 29: 3. Holotype: AMNH 13132, by original designation. Type locality: "Cordillera Kutuku (1800–2000 meters), east of Macas, Ecuador". Synonymy by Peters, 1973, Smithson. Contrib. Zool., 145: 16.

English Names

Boulenger's Arrow-poison Frog (Cochran, 1961, Living Amph. World: 86; Ananjeva, Borkin, Darevsky, and Orlov, 1988, Dict. Amph. Rept. Five Languages: 36).

Boulenger's Stubfoot Toad (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 39).


Humid montane forest in eastern Ecuador (province of Morona-Santiago), in the southeastern versant of the Cordillera Oriental, in the Cordillera de Cutucú, and in the Cordillera del Condor, at elevation of 800–2000 m elevation.

Geographic Occurrence

Natural Resident: Ecuador

Endemic: Ecuador


For discussion and synonymy see Peters, 1973, Smithson. Contrib. Zool., 145: 16–18. In the Atelopus ignescens group of Lynch, 1993, Alytes, 11: 77–87. See photograph, map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 162. Cisneros-Heredia, 2005, in Rueda-Almonacid et al. (eds.), Ranas Arlequines : 61, provided a brief account, illustration, and map.

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