Dendropsophus robertmertensi

Dendropsophus robertmertensi (vernacular name: Mertens' yellow treefrog) is a species of frog in the family Hylidae. It is found in the Pacific lowlands of El Salvador, Guatemala, and southeastern Mexico (eastern Oaxaca, Chiapas). A separate population exists in the Cintalapa Valley in Chiapas.[1][2]

Dendropsophus robertmertensi
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Genus: Dendropsophus
Species:
D. robertmertensi
Binomial name
Dendropsophus robertmertensi
(Taylor, 1937)
Synonyms[2]

Hyla robertmertensi Taylor, 1937

Etymology

The specific name robertmertensi honors Robert Mertens, a German zoologist and herpetologist.[3]

Description

Adult males can grow to 26 mm (1.0 in) and adult females to 28 mm (1.1 in) in snout–vent length. The body is slender. The snout is truncate and short. The tympanum is faintly visible. The fingers are short and broad, slightly webbed, and have small discs. The toes are slender and long, about three-fourths webbed, and have discs that are smaller than the finger discs. At night, overall coloration is pale yellow with a white dorsolater line and a pale brown lateral stripe. By day, dorsal coloration is yellowish tan or pale reddish tan. The dorsolateral line is creamy white, and the sides are brown. The venter is white. Breeding males have yellow vocal sac.[4]

Habitat and conservation

Dendropsophus robertmertensi inhabit sub-humid and humid lowlands and foothills at elevations up to 700 m (2,300 ft) above sea level. It persists in cutover forests and low scrubby forest, and is not found in primary forest. Breeding takes place in small temporary and permanent ponds. This species is common and or abundant in large parts of its range. Water pollution is only a localized threat. It is present in the El Imposible National Park in El Salvador.[1]

References
  1. Santos-Barrera, G.; Canseco-Márquez, L.; Köhler, G. & Acevedo, M. (2010). "Dendropsophus robertmertensi". IUCN Red List of Threatened Species. 2010: e.T55628A11343817. doi:10.2305/IUCN.UK.2010-2.RLTS.T55628A11343817.en.
  2. Frost, Darrel R. (2018). "Dendropsophus robertmertensi (Taylor, 1937)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 27 August 2018.
  3. Beolens, Bo; Watkins, Michael & Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Pelagic Publishing. p. 141. ISBN 978-1-907807-42-8.
  4. Duellman, W. E. (1970). The hylid frogs of Middle America. Monograph of the Museum of Natural History, University of Kansas. 1. 1–753. doi:10.5962/bhl.title.2835. (Hyla robertmertensi: p. 217–220)
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