Adelophryne gutturosa

Adelophryne gutturosa (common name: Guiana Shield frog) is a species of frogs in the family Eleutherodactylidae.[3] It is found on the Guiana Shield from eastern Venezuela through Guyana[4] to French Guiana and adjacent Brazil (Amapá), possibly extending to Suriname. Its type locality is Mount Roraima.[3][5] Its local Spanish name is ranita guturosa.[1]

Adelophryne gutturosa

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Eleutherodactylidae
Genus: Adelophryne
Species:
A. gutturosa
Binomial name
Adelophryne gutturosa
Hoogmoed and Lescure, 1984[2]

Taxonomy

Recent molecular research suggests that A. gutturosa consists of more than one species.[6]

Description

Adult males measure 12.4–14.7 mm (0.49–0.58 in) and females 12.6–16 mm (0.50–0.63 in) in snout–vent length.[2][4][7] The snout is truncate. The head is slightly wider than the body. The tympanum is small but distinct. The canthus rostralis is indistinct. Females have a horizontal supra-tympanic fold. The fingers have asymmetrically pointed tips but no discs, whereas the toe tips have grooved, asymmetrically pointed discs. Skin is smooth.[2] The dorsum is light brown and flanks are black.[7] Males have large subgular vocal sac.[2]

Habitat and conservation

Adelophryne gutturosa occurs in the leaf-litter on the forest floor of rainforests near streams at elevations of 40–2,200 m (130–7,220 ft) above sea level. Males call from the base of plants (often formations of Monotagma spicatum), hidden among rootlets and dead leaves.[1]

This species is not common, although its secretive habits also make it difficult to find. No significant threats to it have been identified, and its range includes several national parks.[1]

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References
  1. Reynolds, R.; Rodrigues, M.T.; Mijares, A. & MacCulloch, R. (2009). "Adelophryne gutturosa". IUCN Red List of Threatened Species. 2009: e.T56301A11452512. doi:10.2305/IUCN.UK.2004.RLTS.T56301A11452512.en.
  2. Hoogmoed, M.S.; Lescure, J. (1984). "A new genus and two new species of minute leptodactylid frogs from northern South America, with comments upon Phyzelaphryne (Amphibia: Anura: Leptodactylidae)". Zoologische Mededelingen. 58 (6): 85–115.
  3. Frost, Darrel R. (2017). "Adelophryne gutturosa Hoogmoed and Lescure, 1984". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 9 June 2017.
  4. MacCulloch, R.D.; A. Lathrop; P.J.R. Kok; L.R. Minter; S.Z. Khan & C.L. Barrio-Amorós (2008). "A new species of Adelophryne (Anura: Eleutherodactylidae) from Guyana, with additional data on Adelophryne gutturosa". Zootaxa. 1884: 36–50.
  5. MacCulloch, R.D.; A. Lathrop; R.P. Reynolds; J.C. Señaris & G.R. Schneider (2008). "Herpetofauna of Mount Roraima, Guiana shield region, northeastern South America". Herpetological Review. 38: 24–30.
  6. Fouquet, A.; D. Loebmann; S. Castroviejo-Fisher; J.M. Padial; V.G.D. Orrico; M.L. Lyra; I.J. Roberto; P.J.R. Kok; C.F.B. Haddad & M.T. Rodrigues (2012). "From Amazonia to the Atlantic forest: Molecular phylogeny of Phyzelaphryninae frogs reveals unexpected diversity and a striking biogeographic pattern emphasizing conservation challenges". Molecular Phylogenetics and Evolution. 65 (2): 547–561. doi:10.1016/j.ympev.2012.07.012. PMID 22842094.
  7. Hoogmoed, M.S.; Borges, D.M.; Cascon, P. (1994). "Three new species of the genus Adelophryne (Amphibia: Anura: Leptodactylidae) from northeastern Brazil, with remarks on the other species of the genus". Zoologische Mededelingen. 68 (24): 271–300.
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