''Ansonia kraensis'' (Kra stream toad) is a species of

toad Toad is a common name for certain frogs, especially of the family Bufonidae, that are characterized by dry, leathery skin, short legs, and large bumps covering the parotoid glands. A distinction between frogs and toads is not made in scientif ...

s in the family Bufonidae. It is found on the Kra Isthmus,

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

. It is morphologically similar to ''

Ansonia malayana ''Ansonia malayana'' is a species of toad in the family Bufonidae. It is also known as Malayan slender toad, Malaya stream toad, and pigmy false toad. It is found on the Malay Peninsula, from the Kra Isthmus (Thailand) southward to Peninsular Mal ...

'' from Malaysia, but differs from it in ventral coloration and larval morphology. The exact threats are unknown but are likely

forest loss Deforestation or forest clearance is the removal of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. The most concentrated d ...

for

logging Logging is the process of cutting, processing, and moving trees to a location for transport. It may include skidding, on-site processing, and loading of trees or logs onto trucks or skeleton cars. Logging is the beginning of a supply chain ...

and agricultural expansion.

Description

''Ansonia kraensis'' males measure and females 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.

Tadpole A tadpole is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish-like features that may not be found i ...

s are up to in length. Their body is flattened, dorsally black with two transverse light bands, and ventrally unpigmented. Oral disc is large.

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.

References

{{Taxonbar, from=Q377514 kraensis Endemic fauna of Thailand Amphibians of Thailand Amphibians described in 2005 Taxa named by Masafumi Matsui