"Centrolene" medemi

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"Centrolene" medemi
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Centrolenidae
Genus: "Centrolene"
Species:
"C." medemi
Binomial name
"Centrolene" medemi
(Cochran and Goin, 1970)
Synonyms [2]
  • Centrolenella medemiCochran and Goin, 1970 [3]
  • Centrolene medemi(Cochran and Goin, 1970)

"Centrolene" medemi is a species of frog in the family Centrolenidae. The species occurs in the Cordillera Oriental in the Tolima, Caquetá, and Putumayo Departments in Colombia and adjacent Napo in Ecuador. [2] [4] [5] The generic placement of this species within the subfamily Centroleninae is uncertain ( incertae sedis ). [2] [6] The specific name medemi honors "Fred" Medem, collector of the holotype. [3] [7] : 139  The common name Medem [sic] giant glass frog has been coined for it by Frank & Ramus, 1995. [2]

Contents

Description

Adult males measure 26–31 mm (1.0–1.2 in) and adult females 35–44 mm (1.4–1.7 in) in snout–vent length. [5] [8] The snout is rounded in dorsal profile and truncated to slightly protruding when viewed laterally. The tympanum is indistinct and partly covered by the supra-tympanic fold. The fingers have absent to extensive webbing (from inner to outer fingers). The toes are extensively webbed. [5] The dorsal surfaces of head, body, and limbs are olive green to grayish brown and bear large cream spots. The ventral parietal peritoneum is white. Adult males have a large humeral spine. The pre-pollical spine is not separated from the first finger. The iris is grayish brown and has dark reticulation. [8]

Habitat and conservation

This species lives on streamsides in montane cloud forests [1] [5] at elevations of 790–1,800 m (2,590–5,910 ft) above sea level. [5] It also occurs in secondary forest, as long as there is good vegetation cover close to streams. The eggs are laid on leaves overhanging the water. [1]

It is locally common in Colombia, but only one specimen, collected in 1975, is known from Ecuador. [1] [5] The specific threats are poorly known but probably include habitat loss, introduction alien predatory fishes, and pollution from the spraying of illegal crops. Chytridiomycosis might also be a threat. [1]

References

  1. 1 2 3 4 5 IUCN SSC Amphibian Specialist Group (2019). "Centrolene medemi". IUCN Red List of Threatened Species . 2019: e.T54926A49364088. doi: 10.2305/IUCN.UK.2019-2.RLTS.T54926A49364088.en . Retrieved 17 November 2021.
  2. 1 2 3 4 Frost, Darrel R. (2017). ""Centrolene" medemi (Cochran and Goin, 1970)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 11 February 2018.
  3. 1 2 Cochran, Doris M.; Goin, Coleman J. (1970). "Frogs of Colombia". Bulletin of the United States National Museum (288): 1–655. doi:10.5962/bhl.part.6346. (Centrolenella medemi, new species, pp. 511–513, Figure 52).
  4. ↑ Acosta Galvis, A.R.; Cuentas, D. (2017). "Centrolene medemi (Cochran & Goin, 1970)". Lista de los Anfibios de Colombia V.07.2017.0. www.batrachia.com. Archived from the original on 12 February 2018. Retrieved 11 February 2018.
  5. 1 2 3 4 5 6 Ortiz, D.A.; et al. (2011–2016). Ron, S.R.; Yanez-Muñoz, M.H.; Merino-Viteri, A.; Ortiz, D.A. (eds.). "Centrolene medemi ". AmphibiaWebEcuador. Version 2018.0. Museo de Zoología, Pontificia Universidad Católica del Ecuador (QCAZ). Retrieved 11 February 2018.
  6. ↑ Guayasamin, J.M.; Castroviejo-Fisher, S.; Trueb, L.; Ayarzagüena, J.; Rada, M.; Vilà, C. (2009). "Phylogenetic systematics of glassfrogs (Amphibia: Centrolenidae) and their sister taxon Allophryne ruthveni " . Zootaxa. 2100: 1–97. doi:10.11646/zootaxa.2100.1.1. hdl: 1808/13694 . S2CID   86257528.
  7. ↑ Beolens, B.; Watkins, M.; Grayson, M. (2013). The Eponym Dictionary of Amphibians. Exeter, England: Pelagic Publishing. ISBN   978-1-907807-41-1. xiii + 244 pp.
  8. 1 2 Guayasamin, Juan M.; Cisneros-Heredia, Diego F.; Yánez-Muñoz, Mario; Bustamante, Martín (2006). "Amphibia, Centrolenidae, Centrolene ilex, Centrolene litorale, Centrolene medemi, Cochranella albomaculata, Cochranella ametarsia: range extensions and new country records". Check List. 2 (1): 24–25, 23–26. doi: 10.15560/2.1.70 .
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