Microhyla achatina

Microhyla achatina (commonly known as the Javan chorus frog, Java rice frog, or Javanese narrow-mouthed frog) is a species of narrow-mouthed frog endemic to Java, Indonesia.[2]

Microhyla achatina
Microhyla achatina from Bogor, West Java

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Microhylidae
Genus: Microhyla
Species:
M. achatina
Binomial name
Microhyla achatina
Tschudi, 1838
Synonyms[2]
  • Hysaplesia achatina Boie in Schlegel, 1826 – nomen nudum
  • Diplopelma disciferum Peters, 1867

Description

Microhyla achatina is a small species with a narrow head. its eyes are small and the feet have partially webbed digits. Males have a snout-to-vent length around 2 cm (0.8 in) and females are a little larger. It is yellowish brown on the dorsal side with two dark stripes, with a symmetric arrow-shaped mark and sometimes a narrow pale line along the spine. The sides are dark.[3]

Habitat and distribution

This is a frog of primary and secondary forest, sometimes found around human developments, such as paddy fields and forest gardens. This species is found at altitudes up to 1,200 metres (3,900 ft) above sea level.[1]

This frog is endemic to Java[2] and is found in the central and western parts of the island.[1]

Biology

The diet of this frog consists of ants, termites and many other tiny insects. It breeds in ponds, permanent pools or marshy areas and the males call at night, several neighboring frogs making a chorus and producing a song that sounds like the sounds made by crickets. The call has a frequency of between 3 and 3.2 kHz, with a pulse rate of 14–20 pulses per second, and a duration of less than a second. Females lay small clutches of about 20 eggs.[3]

Status

This frog has a relatively wide range and the population seems to be stable so the IUCN rates it as being of "Least Concern" as it considers that the rate of decline, if any, is insufficient to justify listing it in a more threatened category. It is to some extent tolerant of forest degradation and no particular threats to this species have been identified.[1]

Pictures
  • In Darmaga, Bogor
  • Male at his calling hole, a dried paddyfield in Kuningan
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References
  1. Djoko Iskandar; Mumpuni (2004). "Microhyla achatina". IUCN Red List of Threatened Species. 2004: e.T57873A11696337. doi:10.2305/IUCN.UK.2004.RLTS.T57873A11696337.en.
  2. Frost, Darrel R. (2017). "Microhyla achatina Tschudi, 1838". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 29 January 2018.
  3. Janel Marcelino (2008-01-03). "Microhyla achatina". AmphibiaWeb. Retrieved 2013-12-10.
  • Iskandar, D.T. 1998. Amfibi Jawa dan Bali. Puslitbang Biologi LIPI, Bogor.
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