Leptobrachium hasseltii

Leptobrachium hasseltii (Hasselt's toad, Java spadefoot toad, Hasselt's litter frog, Tschudi's frog) is a species of toad found in Southeast Asia. This frog named after Dutch Naturalist Johan Conrad van Hasselt.[2] According to the current understanding, this species is known with certainty only from Java (also the type locality), Madura, Bali, and Kangean Islands, Indonesia.[3] The species is also commonly reported to occur in the Philippines (Palawan, Mindoro, Bohol, Basilan, Mindanao islands),[4] but these are believed to refer to another, unnamed species.[1][3]

Leptobrachium hasseltii
Male Leptobrachium hasseltii from Bogor, Java
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Megophryidae
Genus: Leptobrachium
Species:
L. hasseltii
Binomial name
Leptobrachium hasseltii
Tschudi, 1838
Synonyms

Megophrys hasseltii (Tschudi, 1838)

As Leptobrachium hasseltii is the type species of genus Leptobrachium, populations from many areas were first referred to as conforming with this species, only to be later recognized as separate species.[5] This applies, for example, to Leptobrachium hainanense from Hainan[6] and Leptobrachium liui from the mainland China,[3] and Leptobrachium smithi from Thailand and Burma.[5][7]

Description and habitat

Leptobrachium hasseltii has a large head that is wider than the body and with large eyes with a scarlet coloured iris, tips of digits round and webbed at the base, and smooth skin. Adults are dark above, patterned with darker circles, with a white ventral surface with black blotches. Juveniles are bluish in color. Females are larger (70 mm (2.8 in) snout-vent length) than males (60 mm (2.4 in) SVL).[4]

Leptobrachium hasseltii inhabits the forest floor litter of montane and lowland rainforests. Tadpoles live in quiet pools and ponds. The species is threatened by deforestation.[1]

References
  1. Diesmos, A.; Alcala, A.; Brown, R.; Afuang, L.; Gee, G.; Sukumaran, J.; Yaakob, N.; Ming, Leong Tzi; Chuaynkern, Yodchaiy; Thirakhupt, Kumthorn; et al. (2009). "Leptobrachium hasseltii". IUCN Red List of Threatened Species. 2009: e.T57554A11657884. doi:10.2305/IUCN.UK.2004.RLTS.T57554A11657884.en.
  2. Iskandar, Djoko T. (1998). The amphibians of Java and Bali. Kartikasari, Sri Nurani. [Indonesia?]: Research and Development Centre for Biology--LIPI. ISBN 979-579-014-5. OCLC 47352759.
  3. Frost, Darrel R. (2013). "Leptobrachium hasseltii Tschudi, 1838". Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History. Retrieved 2 November 2013.
  4. Marcelino, Janel (27 February 2006). "Leptobrachium hasseltii". Amphibiaweb. Retrieved 26 March 2013.
  5. Matsui, Masafumi; Jarujin Nabhitabhata; Somsak Panha (1999). "On Leptobrachium from Thailand with a description of a new species (Anura: Pelobatidae)" (PDF). Japanese Journal of Herpetology. 18 (1): 19–29. doi:10.5358/hsj1972.18.1_19. Archived from the original (PDF) on 2016-03-03. Retrieved 2013-11-02.
  6. Frost, Darrel R. (2013). "Leptobrachium hainanense Ye and Fei, 1993". Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History. Retrieved 2 November 2013.
  7. Frost, Darrel R. (2013). "Leptobrachium smithi Matsui, Nabhitabhata, and Panha, 1999". Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History. Retrieved 2 November 2013.
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