Nyctimystes trachydermis

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Nyctimystes trachydermis
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Pelodryadidae
Genus: Nyctimystes
Species:
N. trachydermis
Binomial name
Nyctimystes trachydermis
Zweifel, 1983 [2]
Synonyms [3]

Litoria trachydermis(Zweifel, 1983)

Nyctimystes trachydermis, also known as the Morobe big-eyed treefrog, 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 occurs in the mountains of southern eastern New Guinea. [1] [3] Its type locality (which it shares with Nyctimystes tyleri [2] ) is Gapaia Creek, at 1,280 m (4,200 ft) asl between Garaina and Saureli, in the Morobe Province. [2] [3] The specific name trachydermis means "rough skinned", derived from the Greek words trachys and derma. [2]

Contents

Description

Nyctimystes trachydermis are relative large frogs, with adult males measuring 72–88 mm (2.8–3.5 in) in snout–vent length. One gravid female measured 76 mm (3.0 in). Dorsal surfaces are roughed throughout with small, mostly conical and white-tipped asperities. Dorsal ground colour varies from dark greenish brown to gray. Some specimens have lighter blotches. Iris is reddish brown with distinct vertical pupil. Tympanum is completely concealed. Vocal sac is absent. [2]

Habitat and conservation

Nyctimystes trachydermis live along small streams in montane rainforests at elevations of 1,280–2,480 m (4,200–8,140 ft) above sea level. Development is presumably direct (i.e., there is no free-living larval stage [5] ), as in other species in the genus. [1]

This species is locally common. Sedimentation of streams because of mining is a localized threat to it. It is also collected for food, although it is not known whether this is a threat at present. Its range overlaps with the Mount Kaindi Wildlife Management Area. [1]

Related Research Articles

<i>Nyctimystes</i> Genus of amphibians

Nyctimystes is a genus of tree frogs in the family Pelodryadidae. They are principally Papuan species, but also inhabit islands in the Moluccas. All species in this genus have one distinct feature that separates them from other species in the family, the lower eyelid is marked with pattern of lines, veins, or dots. This feature presumably acts as camouflage when the frogs are at rest during the day.

Nyctimystes avocalis is a species of frog in the family Pelodryadidae. It is endemic to Papua New Guinea and is only known from its type locality on the east slope of Goodenough Island, one of the D'Entrecasteaux Islands. It has been given the common name loud big-eyed treefrog.

Nyctimystes daymani, also known as the Dayman big-eyed treefrog, is a species of frog in the family Pelodryadidae, also treated as the subfamily Pelodryadinae in the family Hylidae. It is endemic to Papua New Guinea and known from its type locality, Mount Dayman in the Milne Bay Province, easternmost mainland New Guinea. Records from further west are uncertain.

Nyctimystes fluviatilis, also known as the Indonesian big-eyed tree frog, is a species of frog in the family Pelodryadidae, also treated as the subfamily Pelodryadinae in the family Hylidae. It is endemic to New Guinea and is known from Idenburg River and Wapoga River in Papua province, Indonesia, and from the Torricelli Mountains in the East Sepik Province and Kavorabip in the Western Province, both in the western Papua New Guinea.

Nyctimystes kubori is a species of frog in the family Pelodryadidae, also treated as the subfamily Pelodryadinae in the family Hylidae. It is endemic to Papua New Guinea and is widespread in the New Guinea Highlands between 141°E and 147°E and in the mountains of the Huon Peninsula. The specific name kubori refers to its type locality in the Kubor Mountains. Common name sandy big-eyed treefrog has been coined for this species.

<i>Nyctimystes montanus</i> Species of amphibian

Nyctimystes montanus is a species of frog in the family Pelodryadidae. It is endemic to the Arfak Mountains, located in the Bird's Head Peninsula of northwestern New Guinea. This species is only known from its type locality. There are no records of this species after it was described in 1878, perhaps because of lack of surveys.

Nyctimystes narinosus, the common big-eyed treefrog, is a species of frog in the family Pelodryadidae, or alternatively, subfamily Pelodryadinae in the family Hylidae. It is endemic to New Guinea and occurs in the Wahgi-Sepik Dividing Range and the Schrader Mountains, on both sides of the border between Papua (Indonesia) and Papua New Guinea. There is, however, some uncertainty about the western limit of this species. Despite its vernacular name, Nyctimystes narinosus is not a common species.

Nyctimystes perimetri, also known as the archipelago big-eyed treefrog, is a species of frog in the family Pelodryadidae, also treated as the subfamily Pelodryadinae in the family Hylidae. It is endemic to Papua New Guinea and currently only known from the Louisiade Archipelago, although it might also occur in the Owen Stanley Range of the mainland Papua New Guinea. It has also been suggested that the Rossel Island population might represent a distinct species.

Nyctimystes persimilis, also known as the Milne big-eyed treefrog, is a species of frog in the family Pelodryadidae, also treated as the subfamily Pelodryadinae in the family Hylidae. It is endemic to Papua New Guinea and known from Mount Dayman and Mount Simpson in the Owen Stanley Range.

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

Austrochaperina basipalmata is a species of frog in the family Microhylidae. It is endemic to the mountain ranges of northern New Guinea and is found between Tawarin River in Papua, Western New Guinea (Indonesia) and Torricelli Mountains in Papua New Guinea.

<i>Barygenys atra</i> Species of frog

Barygenys atra is a species of frog in the family Microhylidae. It is endemic to eastern New Guinea and is known from the Morobe and Northern Provinces, Papua New Guinea. Common name Gunther's Papua frog has been proposed for it.

<i>Callulops personatus</i> Species of frog

Callulops personatus is a species of frog in the family Microhylidae. It is endemic to the northern lowlands of central New Guinea and occurs in both Western New Guinea (Indonesia) and Papua New Guinea. The specific name personatus is Latin adjective meaning "masked", in reference to the head coloration. Common name Maprik callulops frog has been proposed for it.

<i>Callulops stictogaster</i> Species of frog

Callulops stictogaster is a species of frog in the family Microhylidae. It is endemic to New Guinea and occurs in the central mountain ranges of Papua New Guinea in the Western Highlands, Eastern Highlands, Chimbu, and Morobe Provinces. The specific name stictogaster is derived from the Greek stictos (="spotted") and gaster (="belly"). Common name Irumbofoie callulops frog has been proposed for it.

Cophixalus nubicola is a species of frog in the family Microhylidae. It is endemic to Papua New Guinea and only known from its type locality, Mount Michael in the Eastern Highlands Province. The specific name nubicola refers to its cloud-swept habitat. Common name Michael rainforest frog has been coined for this species.

<i>Cophixalus parkeri</i> Species of frog

Cophixalus parkeri is a species of frog in the family Microhylidae. It is endemic to Papua New Guinea where it occurs in the central mountainous region between Chimbu and Morobe Provinces. The specific name parkeri presumably honours Hampton Wildman Parker, an English zoologist and herpetologist to whose perusal Arthur Loveridge sent the holotype. Common name Papua rainforest frog has been coined for it.

<i>Cophixalus pipilans</i> Species of frog

Cophixalus pipilans is a species of frog in the family Microhylidae. It is endemic to northern mainland Papua New Guinea and occurs between Lae and the Adelbert Mountains. The specific name pipilans is derived from the Latin verb pipilio and means "peeping". Common name Sempi rainforest frog has been coined for this species.

Cophixalus riparius is a species of frog in the family Microhylidae. It is endemic to Papua New Guinea and occurs in the New Guinea Highlands in Madang, Southern Highlands, and Western Highlands provinces southeastward to the Morobe Province. The specific name riparius refers to the creek-side habitat from which many specimens in the type series were collected. Common name Wilhelm rainforest frog has been coined for this species.

Xenorhina parkerorum is a species of frog in the family Microhylidae. It is endemic to New Guinea Highlands and occurs in both eastern Western New Guinea (Indonesia) and western Papua New Guinea. Common name Imigabip snouted frog has been proposed for it. The specific name parkerorum honours herpetologists Fred Parker and Hampton Wildman Parker.

Nyctimystes purpureolatus is a species of frog in the family Pelodryadidae. It is endemic to New Guinea and is known from its type locality on the Tiri River, a small tributary of the Mamberamo River in West Papua, Indonesia, and from three locations in West Sepik Province, Papua New Guinea.

References

  1. 1 2 3 4 5 IUCN SSC Amphibian Specialist Group (2020). "Nyctimystes trachydermis". IUCN Red List of Threatened Species . 2020: e.T55786A152547343. doi: 10.2305/IUCN.UK.2020-3.RLTS.T55786A152547343.en . Retrieved 14 November 2021.
  2. 1 2 3 4 5 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. 1 2 3 4 Frost, Darrel R. (2019). "Nyctimystes trachydermis Zweifel, 1983". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 18 June 2019.
  4. ↑ "Hylidae". AmphibiaWeb. University of California, Berkeley. 2019. Retrieved 18 June 2019.
  5. ↑ Vitt, Laurie J. & Caldwell, Janalee P. (2014). Herpetology: An Introductory Biology of Amphibians and Reptiles (4th ed.). Academic Press. p. 166.
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