Isthmohyla zeteki

Isthmohyla zeteki is a species of frogs in the family Hylidae native to the Cordillera Central and Cordillera de Talamanca of Costa Rica and western Panama.[1][2][4] The specific name zeteki honors James Zetek, an American entomologist who worked in Panama.[3][5] Common name Zetek's treefrog has been coined for the species.[2]

Isthmohyla zeteki

Near Threatened  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Genus: Isthmohyla
Species:
I. zeteki
Binomial name
Isthmohyla zeteki
(Gaige, 1929)
Synonyms[2]

Hyla zeteki Gaige, 1929[3]

Description

Isthmohyla zeteki are small treefrogs, with males growing to 24 mm (0.94 in) and females to 27 mm (1.1 in) snout–vent length.[4] The eyes are large. The tympanum is distinct. The fingers have large discs and rudiments of basal webbing. The outer toes are two-thirds webbed whereas the inner toe is almost free from webbing; the discs are smaller than those on the fingers.[3] Dorsal coloration varies from yellowish tan to green, whereas ventral surface is translucent white. The iris is dull red, red-brown, or bronzy pink.[4]

The male advertisement call lasts about four seconds and consists of five pulsed notes. The second and third note are the shortest, and the two last ones are the longest, but with a lower pulse rate.[6]

Habitat and conservation

Its natural habitats are humid premontane and lower montane forests at elevations of 1,200–1,800 m (3,900–5,900 ft) asl. It is a canopy species living in bromeliads, where its tadpoles develop. It can also occur in modified habitats such as pastures, provided that suitable trees with bromeliads remain.[1] The species has also been recorded in a large terrestrial tank bromeliad.[6]

Costa Rican populations appear to be stable in suitable habitat (although estimating density of these arboreal frogs is difficult). In the Panamanian part of its range it is probably impacted by habitat loss.[1]

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References
  1. Solís, F.; Ibáñez, R.; Chaves, G.; Savage, J.; Jaramillo, C.; Fuenmayor, Q.; Bolaños, F. & Lips, K. (2008). "Isthmohyla zeteki". IUCN Red List of Threatened Species. 2008: e.T55701A11351517. doi:10.2305/IUCN.UK.2008.RLTS.T55701A11351517.en.
  2. Frost, Darrel R. (2018). "Isthmohyla zeteki (Gaige, 1929)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 25 February 2018.
  3. Gaige, Helen T. (1929). "Three new tree-frogs from Panama and Bolivia". Occasional Papers of the Museum of Zoology, University of Michigan. 207: 1–6.
  4. "Isthmohyla zeteki Gaige, 1929". Amphibians of Panama. Smithsonian Tropical Research Institute. Retrieved 26 October 2015.
  5. Beolens, Bo; Watkins, Michael & Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Pelagic Publishing. p. 240. ISBN 978-1-907807-42-8.
  6. Hertz, Andreas; Abel Batista & Gunther Köhler (2012). "Description of the previously unknown advertisement call of Isthmohyla zeteki (Anura, Hylidae)" (PDF). Herpetology Notes. 5: 355–359.
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