Daniel Heuclin / Asian giant toad / river toad (Phrynoidis asper) in cave, Taman Negara, Malaysia, March.

Daniel Heuclin / Asian giant toad / river toad (Phrynoidis asper) in cave, Taman Negara, Malaysia, March.

Nick Garbutt / Borneo river toad (Bufo asper) on stream side stone. Danum Valley, Sabah, Borneo, Malaysia

Tony Heald / River Toad [Bufo asper] Danum Valley, Sabah, Borneo, September

Rod Williams / River / Siamese toad {Bufo asper} captive, from SE Asia

Premaphotos / River toad (Bufo asper) at night on a rock by a stream in rainforest, Thailand