Pristimantis orcus Lehr, Catenazzi, and Rodríguez, 2009

Class: Amphibia > Order: Anura > Superfamily: Brachycephaloidea > Family: Strabomantidae > Subfamily: Pristimantinae > Genus: Pristimantis > Species: Pristimantis orcus

Pristimantis orcus Lehr, Catenazzi, and Rodríguez, 2009, Zootaxa, 1990: 31. Holotype: MUSM27435, by original designation. Type locality: "Comunidad de Nueva Vida (3° 37´ 57.2S, 75° 20´ 48.9W) at 158 m elevation, Distrito de Trompeteros, Provincia de Loreto, Región Loreto, Peru".

English Names

None noted.


Known only from four localities in Loreto and one in San Martin in the northeastern one third of Amazonian Peru; also reported in Cruzeiro do Sul, Acre Brazil; likely to be found in Ecuador and Colombia.

Geographic Occurrence

Natural Resident: Brazil, Peru

Likely/Controversially Present: Colombia, Ecuador


In the Pristimantis (Pristimantis) unistrigatus group, most similar to Pristimantis altamazonicus, Pristimantis diadematus, Pristimantis eurydactylus, and Pristimantis ventrimarmoratus according to the original publication. See Duellman and Lehr, 2009, Terrest.-breeding Frogs in Peru: 372-373, for brief account. López-Rojas, Ramalho, Susçuarana, and Souza, 2013, Check List, 9: 1548–1551, discussed the range, provided range extensions, and provided information on the advertisement call. Not assignable to a species group according to Padial, Grant, and Frost, 2014, Zootaxa, 3825: 127. Metcalf, Marsh, Torres Pacaya, Graham, and Gunnels, 2020, Herpetol. Notes, 13: 753–767, reported the species from the Santa Cruz Forest Reserve, Loreto, northeastern Peru. Crnobrna, Santa-Cruz Farfan, Gallegos, López-Rojas, Llanqui, Panduro Pisco, and Kelsen Arbaiza, 2023, Check List, 19: 447, rejected records from Ucayali Department, Peru. 

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