Ansonia kraensis

Ansonia kraensis (Kra stream toad) is a species of toads in the family Bufonidae. It is found on the Kra Isthmus, Thailand.[3][4] It is morphologically similar to Ansonia malayana from Malaysia, but differs from it in ventral coloration and larval morphology.[2] The exact threats are unknown but are likely forest loss for logging and agricultural expansion.

Ansonia kraensis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Bufonidae
Genus: Ansonia
Species:
A. kraensis
Binomial name
Ansonia kraensis
Matsui, Khonsue, and Nabhitabhata, 2005[2]

Description

Ansonia kraensis males measure 20–22 mm (0.79–0.87 in) and females 24–28 mm (0.94–1.10 in) in snout–vent length. Tympanum is visible. Dorsum is brown with darker markings, and has small and minute warts, some of them with orange-yellow tips. Limbs have orange-yellow crossbars. Tadpoles are up to 23 mm (0.91 in) in length. Their body is flattened, dorsally black with two transverse light bands, and ventrally unpigmented. Oral disc is large.[2]

Habitat

Ansonia kraensis is a forest species found near streams, sometimes also near seepages some distance away from streams. Tadpoles have been found in a small stream with moderate flow, clinging to the rocks.[1][2]

References
  1. IUCN SSC Amphibian Specialist Group. 2017. Ansonia kraensis. The IUCN Red List of Threatened Species 2017: e.T135840A84874311. http://oldredlist.iucnredlist.org/details/135840/0 Downloaded on 21 September 2017.
  2. Matsui, Masafumi; Wichase Khonsue; Jarujin Nabhitabhata (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. PMID 16082171.
  3. Frost, Darrel R. (2014). "Ansonia kraensis Matsui, Khonsue, and Nabhitabhata, 2005". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 1 March 2015.
  4. "Ansonia kraensis". AmphibiaWeb: Information on amphibian biology and conservation. [web application]. Berkeley, California: AmphibiaWeb. 2015. Retrieved 1 March 2015.
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