Thai National Parks

Species of Thailand

White-spotted slug snake

Pareas margaritophorus

(Giorgio Jan, 1866)

In Thai: งูกินทากจุดขาว, ngu gin thaag jud khao

The mountain slug snake (Pareas margaritophorus), also known as the white-spotted slug snake, is a small, harmless species of snake that is rather common in South, South-East, and East Asia, and feeds on small invertebrates.


Mountain slug snakes are forest-dwellers that are about small to medium-sized. They have fangs that are located on their lower jaw in which they can use to remove the snail from their shells to eat. They have blunt heads that are wider than their actual body width. It averages about 47 cm in length and can be spotted by its collar that can be yellow or orange with a grey or brown body. It also has black scales with a pale underside with dark spots.


The mountain slug snake is a nocturnal species that is active on the forest floor or on shallow vegetation that are usually found in lowland or lower mountain forests that are at the elevation of 1500 meters.


Mountain slug snakes feed on the following invertebrates:

  • snails
  • slugs
  • earthworms


It is found in NE India, Myanmar, Thailand, Peninsular Malaysia, Laos, Cambodia, Vietnam, Hong Kong, and China.

This article uses material from Wikipedia released under the Creative Commons Attribution-Share-Alike Licence 3.0. Eventual photos shown in this page may or may not be from Wikipedia, please see the license details for photos in photo by-lines.

Scientific classification

Pareas margaritophorus

Common names

  • German: Weissflecken-Schneckennatter
  • English: White-spotted slug snake
  • Thai: งูกินทากจุดขาว, ngu gin thaag jud khao


  • Pareas (Eberhardtia) margaritophorus, Nikolay A. Poyarkov et al. (2022)
  • Pareas margaritophorus, NGUYEN et al. (2018)
  • Pareas margaritophorus, Tanya Chan-Ard et al. (2015)
  • Pareas macularius, Tanya Chan-Ard et al. (2015)
  • Pareas margaritophorus, Van Stanley Bartholomew Wallach et al. (2014)
  • Pareas macularius, Van Stanley Bartholomew Wallach et al. (2014)
  • Pareas macularius, Nguyen Van Sang et al. (2009)
  • Pareas macularius, Guo & Deng (2008)
  • Pareas macularius, Romulus Whitaker & Ashok Captain (2004)
  • Pareas margaritophorus, Thomas Ziegler (2002)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)


Please help us review our species pages if wrong photos are used or any other details in the page is wrong. We can be reached via our contact us page.

Pareas margaritophorus
White-spotted slug snake
Pareas margaritophorus (yellow nape)
Pareas margaritophorus
Pareas margaritophorus
Pareas margaritophorus

Range Map

Distribution map of White-spotted slug snake, Pareas margaritophorus in Thailand
  • Ban Kruat District, Buriram
  • Bang Lang National Park
  • Betong District, Yala
  • Bo Kluea District, Nan
  • Chana District, Songkhla
  • Chawang District, Nakhon Si Thammarat
  • Chiang Dao Wildlife Sanctuary
  • Dan Sai District, Loei
  • Doi Ang Khang
  • Doi Inthanon National Park
  • Doi Phu Kha National Park
  • Doi Phu Nang National Park
  • Doi Suthep - Pui National Park
  • Doi Tung
  • Hat Yai District, Songkhla
  • Hua Hin District, Prachuap Khiri Khan
  • Huai Kha Khaeng Wildlife Sanctuary
  • Kaeng Krachan District, Phetchaburi
  • Kaeng Krachan National Park
  • Kantharalak District, Sisaket
  • Khao Chamao - Khao Wong National Park
  • Khao Khitchakut District, Chanthaburi
  • Khao Kho District, Phetchabun
  • Khao Luang National Park
  • Khao Phanom Bencha National Park
  • Khao Soi Dao Wildlife Sanctuary
  • Khao Sok National Park
  • Khao Yai Da
  • Khao Yai National Park
  • Khlong Nakha Wildlife Sanctuary
  • Khok Pho District, Pattani
  • Khuan Don District, Satun
  • Ko Pha Ngan
  • Kumphawapi District, Udon Thani
  • Lan Saka District, Nakhon Si Thammarat
  • Mae On District, Chiang Mai
  • Mae Sot District, Tak
  • Mae Yom National Park
  • Manang District, Satun
  • Mueang Chanthaburi District, Chanthaburi
  • Mueang Nakhon Si Thammarat District, Nakhon Si Thammarat
  • Mueang Phatthalung District, Phatthalung
  • Mueang Satun District, Satun
  • Mueang Surat Thani District, Surat Thani
  • Mueang Trang District, Trang
  • Mueang Yala District, Yala
  • Na Thawi District, Songkhla
  • Na Yong District, Trang
  • Nam Nao National Park
  • Namtok Phlio National Park
  • Nong Ya Plong District, Phetchaburi
  • Omkoi District, Chiang Mai
  • Pa Bon District, Phatthalung
  • Pak Chong District, Nakhon Ratchasima
  • Pak Thong Chai District, Nakhon Ratchasima
  • Pathio District, Chumphon
  • Phrao District, Chiang Mai
  • Phu Khiao Wildlife Sanctuary
  • Phu Kradueng National Park
  • Phu Luang Wildlife Sanctuary
  • Pluak Daeng District, Rayong
  • Pua District, Nan
  • Ron Phibun District, Nakhon Si Thammarat
  • Sai Yok District, Kanchanaburi
  • Sai Yok National Park
  • Sakaerat Environmental Research Station
  • Sawi District, Chumphon
  • Si Wilai District, Bueng Kan
  • Srinagarindra District, Phatthalung
  • Suan Phueng District, Ratchaburi
  • Suwannakhuha District, Nong Bua Lamphu
  • Tha Chana District, Surat Thani
  • Tha Chang District, Surat Thani
  • Tha Sae District, Chumphon
  • Tha Sala District, Nakhon Si Thammarat
  • Tha Song Yang District, Tak
  • Tha Yang District, Phetchaburi
  • Thepha District, Songkhla
  • Thong Pha Phum District, Kanchanaburi
  • Thong Pha Phum National Park
  • Thung Song District, Nakhon Si Thammarat
  • Thung Yai District, Nakhon Si Thammarat
  • Thung Yai Naresuan Wildlife Sanctuary
  • Waeng District, Narathiwat
  • Wiang Kaen District, Chiang Rai
Range map of Pareas margaritophorus in Thailand