Pristimantis scolodiscus

Pristimantis scolodiscus is a species of frog in the family Craugastoridae. It is found on the Pacific slopes of the Andes in northern Ecuador (Esmeraldas and Carchi Provinces) and in the Colombian Massif in the Nariño Department in the adjacent southwestern Colombia. Its elevational range is 1,200–1,780 m (3,940–5,840 ft) above sea level.[3][4][5]

Pristimantis scolodiscus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Craugastoridae
Genus: Pristimantis
Species:
P. scolodiscus
Binomial name
Pristimantis scolodiscus
(Lynch and Burrowes, 1990)
Synonyms

Eleutherodactylus scolodiscus Lynch and Burrowes, 1990[2]

Description

Males measure 17.6–20.4 mm (0.69–0.80 in) and females 18.4–22.3 mm (0.72–0.88 in) in snout–vent length. The dorsum is slightly granular and (pale) orange in colouration, sometimes with brown specks; the belly is white. The iris is greyish blue. The tympanum is indistinct. The males have vocal sacks. The disk of the third finger has a papilla on its tip, hence the specific name scolodiscus, from Greek skolos (pointed) and diskus (disk).[2][5]

Habitat and conservation

Pristimantis scolodiscus inhabit dense, undisturbed cloud forests.[1][4][5] They are nocturnal and usually found active on vegetation 1–3 m (3 ft 3 in–9 ft 10 in) above the ground, sometimes along streams.[1][2][5]

The species is threatened by habitat loss caused by agricultural development. Also chytridiomycosis might be a threat. It occurs in the La Planada National Reserve in Colombia—its type locality—and might occur in the Reserva Ecológica Cotacachi-Cayapas in Ecuador.[1]

References
  1. IUCN SSC Amphibian Specialist Group. 2018. Pristimantis scolodiscus. The IUCN Red List of Threatened Species 2018: e.T56958A85882302. https://dx.doi.org/10.2305/IUCN.UK.2018-1.RLTS.T56958A85882302.en. Downloaded on 23 December 2018.
  2. Lynch, J. D.; Burrowes, P. A. (1990). "The frogs of the genus Eleutherodactylus (family Leptodactylidae) at the La Planada Reserve in southwestern Colombia with descriptions of eight new species". Occasional Papers of the Museum of Natural History, University of Kansas. 136: 1–31.
  3. Frost, Darrel R. (2016). "Pristimantis scolodiscus (Lynch and Burrowes, 1990)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 14 February 2016.
  4. Acosta Galvis, A. R. & D. Cuentas (2016). "Pristimantis scolodiscus (Lynch & & Burrowes, 1990)". Lista de los Anfibios de Colombia V.05.2015. www.batrachia.com. Retrieved 14 February 2016.
  5. Ron, S. R.; Frenkel, C.; Varela-Jaramillo, A. & Guayasamín, J. M. (2013–2015). "Pristimantis scolodiscus". Ron, S. R., Guayasamin, J. M., Yanez-Muñoz, M. H., Merino-Viteri, A., Ortiz, D. A. and Nicolalde, D. A. 2016. AmphibiaWebEcuador. Version 2016.0. Museo de Zoología, Pontificia Universidad Católica del Ecuador (QCAZ). Retrieved 14 February 2016.
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