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Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Amphibia
Subclassis: Lissamphibia
Ordo: Anura
Subordo: Neobatrachia
Familia: Bufonidae
Genus: Ansonia
Species: A. albomaculata - A. anotis - A. endauensis - A. fuliginea - A. glandulosa - A. guibei - A. hanitschi - A. inthanon - A. kraensis - A. latidisca - A. latirostra - A. leptopus - A. longidigita - A. malayana - A. mcgregori - A. minuta - A. muelleri - A. ornata - A. penangensis - A. platysoma - A. rubigina - A. siamensis - A. spinulifer - A. tiomanica - A. torrentis


Ansonia Stoliczka, 1870

Type species: Ansonia penangensis Stoliczka, 1870


* Stoliczka, 1870, Proc. Asiat. Soc. Bengal, 1870: 103.

Vernacular names
English: Stream Toads

Ansonia is a genus of true toads found in south India, northern Thailand, Malay Peninsula, Tioman Island, Borneo, and Mindanao (Philippines).[1] These small forest species spawn in streams and have torrent-adapted tadpoles.[2] Common name stream toads has been coined for the genus, although individual species are also being referred to as slender toads.[1]

The genus was named by Stoliczka after the governor of Penang, Colonel Edward Anson.[3]
Ansonia leptopus

There are currently over 34 species in this genus:[1][4]

Binomial name and authority Common name
Ansonia albomaculata Inger, 1960 whitebelly stream toad
Ansonia echinata Inger & Stuebing, 2009 spiny slender toad
Ansonia endauensis Grismer, 2006 Endau stream toad[5]
Ansonia fuliginea (Mocquard, 1890) North Borneo stream toad
Ansonia glandulosa (Iskandar & Mumpuni, 2004)
Ansonia guibei Inger, 1966 Mesilau stream toad
Ansonia hanitschi Inger, 1960 Kadamaian stream toad
Ansonia inthanon Matsui, Nabhitabhata & Panha, 1998 Inthanon stream toad
Ansonia jeetsukumarani Wood, Grismer, Norhayati, and Senawi, 2008
Ansonia khaochangensis Grismer, Wood, Aowphol, Cota, Grismer, Murdoch, Aguilar, and Grismer, 2016
Ansonia kraensis Matsui, Khonsue, & Nabhitabhata, 2005 Kra stream toad[2]
Ansonia kyaiktiyoensis Quah, Grismer, Wood, Thura, Oaks, and Lin, 2019
Ansonia latidisca Inger, 1966 Sambas stream toad
Ansonia latiffi Wood, Grismer, Norhayati, and Senawi, 2008
Ansonia latirostra Grismer, 2006
Ansonia leptopus (Günther, 1872) Matang stream toad
Ansonia longidigita Inger, 1960 long-fingered stream toad
Ansonia lumut Chan, Wood, Anuar, Muin, Quah, Sumarli, and Grismer, 2014 mossy stream toad
Ansonia malayana Inger, 1960 pigmy false toad
Ansonia mcgregori (Taylor, 1922) McGregor's stream toad
Ansonia minuta Inger, 1960 tiny stream toad
Ansonia muelleri (Boulenger, 1887) Muller's stream toad
Ansonia penangensis Stoliczka, 1870 Penang stream toad
Ansonia phuketensis Matsui, Khonsue, and Panha, 2018
Ansonia pilokensis Matsui, Khonsue, and Panha, 2018
Ansonia platysoma (Inger, 1960 Luidan stream toad
Ansonia siamensis Kiew, 1985 Siamese stream toad
Ansonia smeagol Davies et al., 2016 Precious stream toad[6]
Ansonia spinulifer (Mocquard, 1890) Kina Balu stream toad
Ansonia teneritas Waser et al., 2016 Gracile slender toad
Ansonia thinthinae Wilkinson, Sellas, and Vindum, 2012
Ansonia tiomanica Hendrickson, 1966 Pulo Tioman stream toad
Ansonia torrentis Dring, 1983 Gunung Mulu stream toad
Ansonia vidua Hertwig, Min, Haas, and Das, 2014 widow slender toad


Frost, Darrel R. (2020). "Ansonia Stoliczka, 1870". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 5 February 2020.
Matsui, Masafumi; Khonsue, Wichase; Nabhitabhata, Jarujin (2005). "A new Ansonia from the Isthmus of Kra, Thailand (Amphibia, Anura, Bufonidae)" (PDF). Zoological Science. 22 (7): 809–814. doi:10.2108/zsj.22.809. hdl:2433/65038. PMID 16082171. S2CID 37362242.
"Bufonidae". AmphibiaWeb: Information on amphibian biology and conservation. [web application]. Berkeley, California: AmphibiaWeb. 2016. Retrieved 2 December 2016.
Grismer, L Lee (2006). "A new species of Ansonia Stoliczka, 1870 (Anura: Bufonidae) from a lowland rainforest in Southern Peninsular Malaysia". Herpetologica. 62 (4): 466–475. doi:10.1655/0018-0831(2006)62[466:ANSOAS]2.0.CO;2.

"Ansonia smeagol". IUCN. Retrieved 18 July 2018.

External links

eol - Encyclopedia of Life taxon Ansonia at
ITIS - Integrated Taxonomic Information System on-line database Taxon Ansonia at (Accessed: Apr 30, 2008).
GBIF - Global Biodiversity Information Facility Taxon Ansonia at

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