Nyctimystes tyleri

Nyctimystes tyleri is a species of frog in the family Pelodryadidae,[3] or alternatively, subfamily Pelodryadinae in the family Hylidae.[1][4] It is endemic to Papua New Guinea and only known from its type locality, Gapaia Creek, between Garaina and Saureli, in the Morobe Province.[1][3] The specific name honours Michael J. Tyler, an Australian herpetologist,[2][5] "in recognition of his notable contributions to the systematics of Australo-papuan frogs."[2] Common name Tyler's big-eyed treefrog has been coined for this species.[1][3][5]

Nyctimystes tyleri
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Pelodryadidae
Genus: Nyctimystes
Species:
N. tyleri
Binomial name
Nyctimystes tyleri
Synonyms[3]

Litoria michaeltyleri Frost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006 — replacement name to avoid homonymy with Litoria tyleri Martin, Watson, Gartside, Littlejohn, and Loftus-Hillis, 1979 "1978" when this species is placed in Litoria

Description

The holotype, an adult male, measures 78 mm (3.1 in) in snout–vent length. All dorsal surfaces, apart from the top of thigh, are very warty. Dorsal ground colour is dark green. There are somewhat inconspicuous, large, dark brown blotches on the back. Ventral surfaces are grey with small, dark brown spots on the chin, chest, and abdomen. Legs have larger spots of the same colour. Iris is golden. Tympanum is small and indistinct. Vocal sac is absent.[2]

Habitat and conservation

The type specimen—the only known specimen—was encountered at night sitting on a tree branch about 10 metres from a torrential mountain stream in rainforest at an elevation of 1,280 m (4,200 ft) above sea level.[1][2] The locality has an unusually high diversity of stream-associated hylid frogs and is also the type locality for Nyctimystes trachydermis.[2] The locality is remote and probably safe from most threats.[1]

References
  1. Richards, S. & Zweifel, R. (2004). "Nyctimystes tyleri (errata version published in 2015)". IUCN Red List of Threatened Species. 2004: e.T55787A11356021. doi:10.2305/IUCN.UK.2004.RLTS.T55787A11356021.en.
  2. Zweifel, R. G. (1983). "Two new hylid frogs from Papua New Guinea and a discussion of the Nyctimystes papua species group". American Museum Novitates. 2759: 1–21. hdl:2246/5312.
  3. Frost, Darrel R. (2019). "Nyctimystes tyleri Zweifel, 1983". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 20 June 2019.
  4. "Hylidae". AmphibiaWeb. University of California, Berkeley. 2019. Retrieved 20 June 2019.
  5. Beolens, Bo; Watkins, Michael & Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Pelagic Publishing. pp. 341–342. ISBN 978-1-907807-42-8.
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