Thai National Parks

Species of Thailand

Seng’s Lao torrent frog

Amolops sengae

Jennifer A. Sheridan, Somphouthone Phimmachak, Niane Sivongxay, Bryan L. Stuart, 2023

Amolops sengae, or Seng's Lao torrent frog, is a species of true frog found in Laos and Thailand.

Description

Amolops sengae is a relatively small, greenish-brown frog. They do show sexual dimorphism in that males are smaller than females. 7 specimens have been collected of the species, which is a relatively small sample size. Out of the 5 examined males, the SVL was 27.2 – 31.2 mm and out of the 2 females, it was 39.2 – 39.6 mm. Male specimens were darker than females on the dorsal side. Females had more beige mottling.

Distribution and ecology

The species is found in the Vientiane province and the Sainyabuli province in Laos and Nan Province in Thailand. It can be found in and around clear streams, sometimes on leaves. Specimens have been collected at elevations of around 200 – 300 m.

Etymology

Both the common and scientific name is a tribute to Sengvilay ("Seng") Seateun from the National University of Laos. She is a collector and supplied a lot of the material used to describe Amolops sengae among other species.

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Amphibia
Order
Anura
Family
Ranidae
Genus
Amolops
Species
Amolops sengae

Common names

  • English: Seng’s Lao torrent frog
  • Laos: ຂຽດເກາະຜາລາວແສງ, Khiat Korpha Lao Seng

Conservation status

Least Concern (IUCN 3.1)

Least Concern (IUCN 3.1)

Photos

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Amolops sengae - Doi Phu Kha National Park
Amolops sengae - Doi Phu Kha National Park

Range Map

Distribution map of Seng’s Lao torrent frog, Amolops sengae in Thailand
  • Bo Kluea District, Nan
  • Doi Phu Kha National Park
  • Khun Nan National Park
Range map of Amolops sengae in Thailand