Pristimantis acerus

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Pristimantis acerus

Conservation status
Endangered (IUCN 3.1)^[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Strabomantidae
Genus:	Pristimantis
Subgenus:	Pristimantis
Species:	P. acerus
Binomial name
*Pristimantis acerus* (Lynch and Duellman [fr], 1980)
Synonyms^[3]
Eleutherodactylus acerus Lynch and Duellman, 1980^[2]

Pristimantis acerus is a species of frog in the family Strabomantidae. It is endemic to Ecuador and known from the area of its type locality between Papallacta and Cuyujúathe in the Napo Province^[3]^[4] and from the Llanganates National Park, Pastaza Province.^[4] This species is rated as Endangered by the IUCN.^[1] Common name Papallacta robber frog has been coined for it.^[3]^[4]

Etymology

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The specific name acerus is Greek and refers to the absence of tubercles on the eyelid, heel, and tarsus.^[2]

Description

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Three males in the type series measure 25–34 mm (0.98–1.34 in) and the only female 45 mm (1.8 in) in snout–vent length.^[2]^[4] The snout is subacuminate in dorsal view and pointed or protruding in lateral profile. The canthus rostralis is relatively sharp. The tympanum is distinct. Both fingers and toes bear broad discs; the fingers have ill-defined lateral fringes and the toes indistinct lateral keels. The dorsum is black or dark grey; dorsal skin is smooth. The venter is dark grey to dark greyish brown. Males have creamy brown throats.^[2]

Habitat

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Pristimantis acerus is known from the cloud forests of the Andes at elevations between 2,660–2,750 m (8,730–9,020 ft) asl.^[1]^[4] A specimen was found under a log at daytime, while the others were found at night on bushes 0–2 m (0.0–6.6 ft) above the ground.^[2] Likely threat to this species is deforestation caused by agriculture, logging, and human settlements.^[1]

References

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^ ^a ^b ^c ^d John Lynch, Luis A. Coloma, Santiago Ron (2004). "Pristimantis acerus". IUCN Red List of Threatened Species. 2004: e.T56389A11459660. doi:10.2305/IUCN.UK.2004.RLTS.T56389A11459660.en. Retrieved 20 November 2021.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ ^a ^b ^c ^d ^e Lynch, J. D. & Duellman, W. E. (1980). "The Eleutherodactylus of the Amazonian slopes of the Ecuadorian Andes (Anura: Leptodactylidae)". Miscellaneous Publication, Museum of Natural History, University of Kansas. 69: 1–86.
^ ^a ^b ^c Frost, Darrel R. (2022). "Pristimantis acerus (Lynch and Duellman, 1980)". Amphibian Species of the World: An Online Reference. Version 6.1. American Museum of Natural History. doi:10.5531/db.vz.0001. Retrieved 17 October 2022.
^ ^a ^b ^c ^d ^e Frenkel, Caty; et al. (2019). Ron, S. R.; Merino-Viteri, A. & Ortiz, D. A. (eds.). "Pristimantis acerus". Anfibios del Ecuador. Version 2019.0. Museo de Zoología, Pontificia Universidad Católica del Ecuador (QCAZ). Retrieved 13 May 2020.

External links

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Photos of Pristimantis acerus on Arkiv.org

Taxon identifiers
Pristimantis acerus	Wikidata: Q1593361 Wikispecies: Pristimantis acerus ADW: Pristimantis_acerus AmphibiaWeb: 2746 ARKive: pristimantis-acerus ASW: Pristimantis-acerus CoL: 4MJ8L EoL: 337100 GBIF: 2425186 iNaturalist: 66530 ITIS: 775417 IUCN: 56389 NCBI: 448520 Observation.org: 204752 Open Tree of Life: 622487
Eleutherodactylus acerus	Wikidata: Q426120 CoL: 398YJ GBIF: 2425187 IRMNG: 10695059 ITIS: 663349

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