Species of Thailand
Blyth's fanged frog
Binomial name: Limnonectes blythii, George Albert Boulenger, 1920
Blyth's river frog, Blyth's frog, giant Asian river frog, or (ambiguously) giant frog, Limnonectes blythii, is a species of frog in the Dicroglossidae family found from Myanmar through western Thailand and the Malay Peninsula (Malaysia, Singapore) to Sumatra and Borneo (Indonesia). Earlier records from Laos and Vietnam are considered misidentifications.
Blyth's river frog is a large frog. Females grow to a snout–vent length of 90 - 260 mm and males to 85 - 125 mm. Large adults can weigh more than 1 kg. The skin is smooth on the dorsum, with or without scattered tubercles or longitudinal skin folds. They are brownish, grey, or yellowish above and white or yellowish below. They may or may not have a vertebral stripe on their backs.
These frogs inhabit streams with gravel and rocks in primary and secondary evergreen forest. Males build a nesting hollow in a sandy stream bed area, and the larvae develop in streams. They can also be found far away from streams.
Use and conservation
The major threat to this species is collection for food, both for local consumption and for trade. It is also locally impacted by habitat loss.
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- Limnonectes blythii
- Blyth's fanged frog
- Blyth's river frog
- Giant Asian river frog
- Giant frog
- Blyth's frog
- Malayan giant frog
- Rana macrodon var. blythii, George Albert Boulenger (1920)
Near Threatened (IUCN3.1)
- Bang Lang National Park
- Huai Kha Khaeng Wildlife Sanctuary
- Huai Yang Waterfall National Park
- Kaeng Krachan National Park
- Khao Luang National Park
- Khao Sok National Park
- Ko Samui District, Surat Thani
- Kui Buri National Park
- Lam Nam Kra Buri National Park
- Mu Ko Lanta National Park
- San Kala Khiri National Park
- Tarutao National Marine Park
- Thalang District, Phuket
- Thale Ban National Park
- Thung Song District, Nakhon Si Thammarat
Range map of Limnonectes blythii in Thailand
Important note; our range maps are based on limited data we have collected. The data is not necessarily accurate or complete.
Special thanks to Ton Smits, Parinya Pawangkhanant, Ian Dugdale and many others for their contribution for range data.
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