The Pilalo tree frog (Hyloscirtus ptychodactylus) is a species of frog in the family Hylidae endemic to Ecuador. Its natural habitats are subtropical or tropical moist montane forests and rivers. It has been observed between 2300 and 2600 meters above sea level.[2][3][4] It is threatened by habitat loss.

Pilalo tree frog
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Genus: Hyloscirtus
Species:
H. ptychodactylus
Binomial name
Hyloscirtus ptychodactylus
(Duellman & Hillis, 1990)

The adult male frog measures about 65.9 mm in snout-vent length and the adult female frog about 77.3 mm. The skin of the dorsum can be orange-brown or red-brown in color, with large or small black spots. The flanks and parts of the legs have yellow and black bars. The ventrum is black. There can be white spots on the throat. The iris of the eye is light blue.[3]

This frog is nocturnal, but people have heard it singing during the day. This frog lays eggs in streams.[3]

This frog's scientific name comes from the Greek language words ptychos for "fold" and dactylus for "finger."[3]

References

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  1. ^ IUCN SSC Amphibian Specialist Group (2019). "Hyloscirtus ptychodactylus". IUCN Red List of Threatened Species. 2019: e.T55617A98648365. doi:10.2305/IUCN.UK.2019-1.RLTS.T55617A98648365.en. Retrieved 16 November 2021.
  2. ^ Frost, Darrel R. "Hyloscirtus ptychodactylus (Duellman and Hillis, 1990)". Amphibian Species of the World, an Online Reference. Version 6.0. American Museum of Natural History, New York. Retrieved October 17, 2022.
  3. ^ a b c d Read Morley; Santiago R. Ron; Nadia Páez-Rosales (January 28, 2017). Santiago R. Ron (ed.). "Hyloscirtus ptychodactylus". AmphibiaWeb (in Spanish). University of California, Berkeley. Retrieved October 17, 2022.
  4. ^ IUCN SSC Amphibian Specialist Group (2018). "Rio Chingual Valley Treefrog: Hyloscirtus ptychodactylus". The IUCN Red List of Threatened Species. 3.1: e.T55617A98648365. doi:10.2305/IUCN.UK.2019-1.RLTS.T55617A98648365.en. 55617. Retrieved October 17, 2022.