The Asian giant toad (''Phrynoidis asper''), sometimes referred to as the river toad, is a species of

true toad A true toad is any member of the family Bufonidae, in the order Anura (frogs and toads). This is the only family of anurans in which all members are known as toads, although some may be called frogs (such as harlequin frogs). The bufonids now ...

native to Mainland Southeast Asia and the

Greater Sundas The Greater Sunda Islands (Indonesian language, Indonesian and Malay language, Malay: ''Kepulauan Sunda Besar'') are four tropical islands situated within Indonesian Archipelago, in the Pacific Ocean. The islands, Borneo, Java, Sulawesi and Sumat ...

. It is a medium-large toad, but it is easily confused with its larger relative, the

giant river toad ''Phrynoidis juxtasper'', also known as the giant river toad or Borneo river toad, is a species of toad in the family Bufonidae. It is found in Borneo ( Brunei, Indonesia, and Malaysia) and Sumatra (Indonesia) below asl. Prior to its spe ...

(''P. juxtasper'').

Description

''Phrynoidis asper'' is generally a dark grey, green, black or brown in color, and is heavily covered in

tubercles In anatomy, a tubercle (literally 'small tuber', Latin for 'lump') is any round nodule, small eminence, or warty outgrowth found on external or internal organs of a plant or an animal. In plants A tubercle is generally a wart-like projection, ...

. Females can reach up to in snout–to– vent length and males up to . They can be commonly found near stream and rivers.

Photos

File:Giant Asian Toad (Phrynoidis aspera) (8688768164).jpg File:River Toad Phrynoidis aspera (7920853968).jpg File:River Toad (Phrynoidis aspera) (6731222373).jpg

References

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Frogs of the Malay Peninsula: Bufo asper

asper Asper may refer to: *Asper (') breathing mark in romanization of Greek *Asper (surname) *Asper, Missouri, a ghost town *Aemilius Asper, Latin grammarian *Aspron, a type of late Byzantine silver or billon coins *Akçe, an Ottoman silver coin, simi ...

Amphibians of Brunei Amphibians of Indonesia Amphibians of Malaysia Amphibians of Myanmar Amphibians of Thailand Amphibians of Vietnam Amphibians of Borneo Fauna of Sumatra Amphibians described in 1829 Taxa named by Johann Ludwig Christian Gravenhorst {{Bufonidae-stub