Nanohyla petrigena

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Nanohyla petrigena - Wikipedia

From Wikipedia, the free encyclopedia

Nanohyla petrigena

Conservation status
Least Concern (IUCN 3.1)^[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Microhylidae
Genus:	Nanohyla
Species:	N. petrigena
Binomial name
*Nanohyla petrigena* (Inger and Frogner, 1979)
Synonyms^[2]
Microhyla petrigena Inger and Frogner, 1979

Nanohyla petrigena is a species of frog in the family Microhylidae.^[2] It is found in northern and central Borneo (Brunei, southeastern Sabah and central Sarawak, Malaysia, and central Kalimantan, Indonesia) and in the Sulu Archipelago of the Philippines. The common names pothole narrow-mouthed frog and Kapit rice frog have been coined for the species.^[1]^[2]

Taxonomy

N. petrigena was formerly placed in the genus Microhyla, but a 2021 study using morphological and phylogenetic evidence moved nine species (including N. petrigena) to a new genus, Nanohyla.^[2]^[3]

Description

Nanohyla petrigena is a small frog: adult males measure 14–16 mm (0.6–0.6 in) and adult females 15–18 mm (0.6–0.7 in) in snout–vent length.^[4] Its hands have only three fingers. The dorsum is colored in shades of brown. There are dark markings on the shoulder and a light band on the flank. The venter is dark with an irregular white blotch.^[5]

The male advertisement call is a single, pulsed note, emitted in series consisting of maximally 15 notes. Call repetition rate is about 0.7 per second, declining towards the end of the series.^[4]

Habitat and conservation

Nanohyla petrigena occurs in lowland primary rainforests at elevations below 700 m (2,300 ft).^[1] It lives in leaf litter. Breeding takes place in small pot-holes on rocky banks of clear streams and rivers and appears to be restricted to certain nights.^[1]^[4] The egg masses float on the surface of these pools.^[4] The tadpoles feed in mid-water.^[5]

This species appears not to be able to adapt to modified habitats. It is threatened by habitat loss caused by logging and conversion in palm oil plantations; the type locality has already been destroyed and species has likely disappeared from there. However, the species occurs in several protected areas.^[1]

References

^ ^a ^b ^c ^d ^e IUCN SSC Amphibian Specialist Group (2018). "Nanohyla petrigena". IUCN Red List of Threatened Species. 2018: e.T57889A58478677. doi:10.2305/IUCN.UK.2018-2.RLTS.T57889A58478677.en. Retrieved 15 November 2021.
^ ^a ^b ^c ^d Frost, Darrel R. (2021). "Nanohyla petrigena (Inger and Frogner, 1979)". Amphibian Species of the World: An Online Reference. Version 6.1. American Museum of Natural History. doi:10.5531/db.vz.0001. Retrieved 15 January 2021.
^ Gorin, Vladislav A.; Scherz, Mark D.; Korost, Dmitriy V. & Poyarkov, Nikolay A. (2021-12-01). "Consequences of parallel miniaturisation in Microhylinae (Anura, Microhylidae), with the description of a new genus of diminutive South East Asian frogs" (PDF). Zoosystematics and Evolution. 97 (1): 21–54. doi:10.3897/zse.97.57968.
^ ^a ^b ^c ^d Dehling, J. M. (2010). "Advertisement calls of two species of Microhyla (Anura: Microhylidae) from Borneo". Salamandra. 46 (2): 114–116.
^ ^a ^b Haas, A.; Das, I. & Hertwig, S.T. (2017). "Microhyla petrigena Pothole Narrow-mouthed Frog". Frogs of Borneo. Retrieved 2 March 2019.

Wikimedia Commons has media related to Microhyla petrigena.

Taxon identifiers
Nanohyla petrigena	Wikidata: Q104835856 ASW: Nanohyla-petrigena GBIF: 11392692 IUCN: 57889
Microhyla petrigena	Wikidata: Q2242259 Wikispecies: Nanohyla petrigena AmphibiaWeb: 2183 CoL: 42XBF EoL: 332261 GBIF: 2422111 iNaturalist: 24821 IRMNG: 10232954 ITIS: 664608 NCBI: 1035784 Observation.org: 203918 Open Tree of Life: 487609

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