Isthmohyla zeteki

Isthmohyla zeteki
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Subfamily: Hylinae
Genus: Isthmohyla
Species: I. zeteki
Binomial name
Isthmohyla zeteki
(Gaige, 1929)

Hyla zeteki Gaige, 1929

Isthmohyla zeteki, or Zetek's treefrog, is a species of frog in the family Hylidae native to the Cordillera Central and Cordillera de Talamanca of Costa Rica and western Panama at elevations of 1,200–1,800 m (3,900–5,900 ft) asl.[1][2][3]


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. Dorsal colouration varies from yellowish tan to green, whereas ventral surface is translucent white. Iris is dull red, red-brown, or bronzy pink.[3]

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.[4]

Habitat and conservation

Its natural habitats are humid premontane and lower montane forests. It is a canopy species living in bromeliads, where also the 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.[4]

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]


  1. 1 2 3 4 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. IUCN. 2008: e.T55701A11351517. doi:10.2305/IUCN.UK.2008.RLTS.T55701A11351517.en.
  2. Frost, Darrel R. (2015). "Isthmohyla zeteki (Gaige, 1929)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 26 October 2015.
  3. 1 2 "Isthmohyla zeteki Gaige, 1929". Amphibians of Panama. Smithsonian Tropical Research Institute. Retrieved 26 October 2015.
  4. 1 2 Hertz, Andreas, Abel Batista, and 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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