River toad
In Thai: จงโคร่ง
Binomial name: Phrynoidis aspera, Johann Ludwig Christian Gravenhorst, 1829
The Asian giant toad (Bufo asper), sometimes referred to as the river toad, is a large toad native to southeast Asia.
Description
Bufo asper is generally a dark grey, green, black or brown in color, and is heavily covered in tubercles. These toads can grow to lengths greater than 8.5 inches (22 cm).
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Scientific classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Amphibia
- Order
- Anura
- Family
- Bufonidae
- Genus
- Phrynoidis
- Species
- Phrynoidis aspera
Common names
- English:
- Asian giant toad
- River toad
- Rough toad
- Giant Asiatic toad
- Thai:
- จงโคร่ง
- กง
- หมาน้ำ
Synonyms
- Nectes obscurus, Thomas Barbour (1904)
- Bufo asper, Johann Ludwig Christian Gravenhorst (1829)
- Phrynoidis aspera, Johann Ludwig Christian Gravenhorst (1829)
Conservation status

Least Concern (IUCN3.1)
Range Map

- Chaloem Rattanakosin National Park
- Hala-Bala Wildlife Sanctuary
- Huai Kha Khaeng Wildlife Sanctuary
- Kaeng Krachan National Park
- Khao Lak - Lam Ru National Park
- Khao Luang National Park
- Khao Nam Khang National Park
- Khao Nan National Park
- Khao Phanom Bencha National Park
- Khao Phra - Bang Khram Wildlife Sanctuary
- Khao Pu - Khao Ya National Park
- Khao Sok National Park
- Kui Buri National Park
- Tarutao National Marine Park
- Thale Ban National Park
- Thong Pha Phum District, Kanchanaburi
- Ton Nga-Chang Wildlife Sanctuary