Nymphargus cochranae (Goin, 1961)

Class: Amphibia > Order: Anura > Family: Centrolenidae > Subfamily: Centroleninae > Genus: Nymphargus > Species: Nymphargus cochranae

Cochranella cochranae Goin, 1961, Zool. Anz., 166: 97. Holotype: BMNH 1912.11.1.68, by original designation. Type locality: "El Topo, Rio Pastaza, Eastern Ecuador, 4200 feet".

Centrolenella cochranaeGoin, 1964, Herpetologica, 20: 6.

Cochranella cochranaeRuiz-Carranza and Lynch, 1991, Lozania, 57: 21.

Nymphargus cochranaeCisneros-Heredia and McDiarmid, 2007, Zootaxa, 1572: 34.

English Names

Cochran Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 46).

Cochran's Glassfrog (Guayasamin, Cisneros-Heredia, McDiarmid, Peña, and Hutter, 2020, Diversity, 12 (222): 156). 


Lower Amazonian slopes of the Cordillera Oriental from southern to northern Ecuador (provinces of Napo, Orellana, Pastaza, Tungurahua, Sucumbíos, and Zamora Chinchipe) and in adjacent Colombia (see comment), 1170–1960 m elevation.

Geographic Occurrence

Natural Resident: Colombia, Ecuador


In the Cochranella ocellata group according to Ruiz-Carranza and Lynch, 1991, Lozania, 57: 1-30. Cisneros-Heredia and McDiarmid, 2007, Zootaxa, 1572: 51, summarized the relevant literature and suggested that the Colombian record required confirmation. See photograph, map, description of geographic range and habitat, and conservation status (as Cochranella cochranae) in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 213. Guayasamin, Cisneros-Heredia, McDiarmid, Peña, and Hutter, 2020, Diversity, 12 (222): 156–155, provided a detailed account, including adult morphology, advertisement call, relationships, natural history, and conservation status, and noted that it may be a complex. Camper, Torres-Carvajal, Ron, Nilsson, Arteaga-Navarro, Knowles, and Arbogast, 2021, Check List, 17: 729–751, provided a record from Wildsumaco Wildlife Sanctuary, Napo Province, Ecuador.  

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