Hyloxalus fuliginosus Jiménez de la Espada, 1870

Class: Amphibia > Order: Anura > Superfamily: Dendrobatoidea > Family: Dendrobatidae > Subfamily: Hyloxalinae > Genus: Hyloxalus > Species: Hyloxalus fuliginosus

Hyloxalus fuliginosus Jiménez de la Espada, 1870, J. Sci. Math. Phys. Nat., Lisboa, 3: 59. Syntypes: not stated; MNCN 276 (2 specimens), according to Savage, 1968, Copeia, 1968: 758, who designated as lectotype the smaller specimen (now MNCN 1586, according to González-Fernández, García-Díez, and San Segundo, 2009, Spixiana, München, 32: 272. Type locality: "in Ecuador; ad nemores pagi S. Jose de Moti", Cantón de Quijos, Napo Province, Ecuador. Discussed by Savage, 1968, Copeia, 1968: 753, who suggested that this locality is "San José Mote Viejo . . . almost due east of Volcán Sumaco, at 0° 32′ S and 77° 25′ W in Provincia de Napo; it lies on a ridge projected east from Volcan Sumaco just north of the valley of the Río Suno, at about 1200 m elevation".

Hylixalus fuliginosusBoulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 138.

Prostherapis fuliginosus —Dunn In Savage, 1968, Copeia, 1968: 6, by implication; Goin, 1960, Annu. Rep. Smithson. Inst. for 1959: 437.

Colostethus fuliginosusEdwards, 1971, Proc. Biol. Soc. Washington, 84: 148.

English Names

Quijos Rocket Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 48).


Amazonian foothills of the Andes in northern Ecuador (Napo Province); records for Colombia and Venezuela require confirmation. See comment. 

Geographic Occurrence

Natural Resident: Ecuador

Likely/Controversially Present: Colombia, Venezuela

Endemic: Ecuador


Probably contains a number of undescribed species, according to Rivero, 1991, Caribb. J. Sci., 27: 12. See brief account by Coloma, 1995, Misc. Publ. Mus. Nat. Hist. Univ. Kansas, 87: 33. See comment regarding type locality by Rivero and Almendáriz C., 1992 "1991", Rev. Politécnica, Quito, 16: 118–119. Ruiz-Carranza, Ardila-Robayo, and Lynch, 1996, Rev. Acad. Colomb. Cienc. Exact. Fis. Nat., 20: 365–415, did not include this species as part of the Colombia fauna. Barrio-Amorós and Fuentes-Ramos, 1999, Acta Biol. Venezuelica, 19: 2, reported this species from Venezuela, but did not provide a precise locality. Barrio-Amorós, 2004, Rev. Ecol. Lat. Am., 9: 7, reported on distribution and relevant literature and suggested that presence in southern Venezuela required confirmation.

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