Species of Thailand

Keeled slug snake

Pareas carinatus, Heinrich Boie, 1828

(In Thai: งูกินทากเกล็ดสัน, ngu gin thaag gled sann)

The keeled slug-eating snake, Pareas carinatus, is a species of snake in the Colubridae family. It is relatively widespread in Southeast Asia, from southern China (Yunnan) to Burma and Indochina to the Malay Archipelago (Borneo, Java, Lombok, Sumatra, Bali). Two subspecies are recognized: P. c. carinatus and P. c. unicolor, the latter being confined to Cambodia.

Keeled slug-eating snakes live in or near forests. They are nocturnal and mostly arboreal, and as the common name suggests, they feed exclusively on snails and slugs. They are oviparous.

While the species is negatively affected by forest destruction, IUCN considers these effects to be localized and not threatening the species.

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Scientific classification

Pareas carinatus

Common names

  • German: Gekielte Schneckennatter
  • English:
    • Keeled slug snake
    • Keeled slug-eating snake
  • Thai: งูกินทากเกล็ดสัน, ngu gin thaag gled sann


  • Pareas carinatus carinatus, Heinrich Boie, 1830

  • Pareas carinatus unicolor, René Léon Bourret, 1934


  • Pareas carinatus, Van Stanley Bartholomew Wallach et al. (2014)
  • Pareas carinatus unicolor, Nguyen Van Sang et al. (2009)
  • Pareas carinatus carinatus, Nguyen Van Sang et al. (2009)
  • Pareas carinatus, Karl Patterson Schmidt & Kunz (2005)
  • Pareas carinatus carinatus, Tanya Chan-Ard et al. (1999)
  • Pareas carinatus, Merel J. Cox et al. (1998)
  • Pareas carinatus, Ulrich Manthey & Wolfgang Grossmann (1997)
  • Pareas carinatus carinatus, Georg Haas (1950)
  • Pareas carinatus, Malcolm Arthur Smith (1943)
  • Amblycephalus carinatus, Felix Kopstein (1936)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)


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Keeled slug-eating snake
Pareas carinatus
Pareas carinatus (subadult)
Pareas carinatus
Pareas carinatus
Keeled slug-eating snake
Pareas carinatus
Pareas carinatus

Range Map

Distribution map of Keeled slug snake, Pareas carinatus in Thailand
  • Bang Lang National Park
  • Betong District, Yala
  • Chiang Dao District, Chiang Mai
  • Chiang Dao Wildlife Sanctuary
  • Chiang Klang District, Nan
  • Doi Inthanon National Park
  • Doi Phu Kha National Park
  • Doi Suthep - Pui National Park
  • Doi Tung
  • Hala-Bala Wildlife Sanctuary
  • Hua Hin District, Prachuap Khiri Khan
  • Huai Kha Khaeng Wildlife Sanctuary
  • Huai Yang Waterfall National Park
  • Kaeng Hang Maeo District, Chanthaburi
  • Kaeng Krachan District, Phetchaburi
  • Kaeng Krachan National Park
  • Kaeng Tana National Park
  • Kapong District, Phang Nga
  • Khanom District, Nakhon Si Thammarat
  • Khao Ang Rue Nai Wildlife Sanctuary
  • Khao Banthat Wildlife Sanctuary
  • Khao Chamao - Khao Wong National Park
  • Khao Khiao - Khao Chomphu Wildlife Sanctuary
  • Khao Luang National Park
  • Khao Soi Dao Wildlife Sanctuary
  • Khao Sok National Park
  • Khao Yai Da
  • Khao Yai National Park
  • Khun Nan National Park
  • Ko Kut District, Trat
  • Kui Buri District, Prachuap Khiri Khan
  • Kui Buri National Park
  • Lam Nam Kra Buri National Park
  • Mae Chaem District, Chiang Mai
  • Mae Chan District, Chiang Rai
  • Mae Rim District, Chiang Mai
  • Mueang Krabi District, Krabi
  • Mueang Mae Hong Son District, Mae Hong Son
  • Mueang Ranong District, Ranong
  • Namtok Phlio National Park
  • Ngao Waterfall National Park
  • Nong Ya Plong District, Phetchaburi
  • Pak Chong District, Nakhon Ratchasima
  • Pak Tho District, Ratchaburi
  • Pak Thong Chai District, Nakhon Ratchasima
  • Pang Sida National Park
  • Phu Luang Wildlife Sanctuary
  • Phu Suan Sai National Park
  • Pua District, Nan
  • Sai Yok District, Kanchanaburi
  • Sakaerat Environmental Research Station
  • Sangkhla Buri District, Kanchanaburi
  • Si Banphot District, Phatthalung
  • Tat Mok National Park
  • Tha Song Yang District, Tak
  • Tha Yang District, Phetchaburi
  • Thong Pha Phum District, Kanchanaburi
  • Thung Yai Naresuan Wildlife Sanctuary
  • Waeng District, Narathiwat
  • Wiang Kaen District, Chiang Rai
  • Yong Waterfall National Park
Range map of Pareas carinatus in Thailand