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30 Thailand Black Snakes | Which did you see?

Black Thailand Snake, Ptyas carinata - Keeled Rat Snake.
One of Thailand’s black snakes – Keeled Rat Snake (P. carinata).

If you’re looking for black snakes in Thailand, USA, Australia, and Europe – go here.

I get a lot of snake ID requests with very little information. One of the top requests is:

“I found a black snake about a meter long, can you tell me what it is?”

That’s an impossible request because there are just too many meter long black snakes in the country. Confounding that is the fact that when a snake is moving, and has a well defined pattern, but is overall dark or black colored – someone can see it as black.

Snakes of any species can be very dark, even black. The term is “melanistic.” They have an abundance of melanin, which makes them appear some degree darker than is typical for the species. This is a rather common occurrence.

So, it’s quite a stretch to start guessing snakes even when the exact Thailand province is known.

That all said, here are some snakes which can be black or dark without melanism. They are relatively patternless and you might see any of these in Thailand.

Thailand Black Snake Length When Fully Grown

Over 4 Meters Long

3-4 Meters

2-3 Meters

Under 1 Meter

  • Blunt Headed Slug Snake
  • Brahminy Blind Snake
  • White Spotted Slug Snake
  • Vertebral Slug Snake
  • Mangrove Cat Snake (Black on top, yellow bands may not be visible)
  • Mountain Bronzeback
  • Dark Wolf Snake
  • Malayan Banded Wolf Snake (adults are bandless)
  • Inornate Kukri Snake
  • Grey Kukri Snake
  • Common Many-toothed Snake
  • Malayan Mountain Keelback
  • White-bellied Mangrove Snake
  • Tweedie’s Mountain Reed Snake
  • Malayan Mountain Reed Snake
  • Variable Reed Snake
  • Yellow-bellied Sea Snake
  • Blue Malayan Coral Snake
  • Red-headed Krait
  • Equatorial Spitting Cobra
  • Indo-Chinese Spitting Cobra
  • Monocled Cobra
  • Mangrove Pit Viper

Keep in mind that any of the snakes in the section other than Under 1 Meter – can be juvenile snakes.

This list is not comprehensive, but it covers common snakes in the country of Thailand.

When you ask for a snake to be identified, please give us as much information as possible.

2 thoughts on “30 Thailand Black Snakes | Which did you see?

  • at 4:56 pm

    We live in Roi-et. Our land is 9 rai and a mixture of trees, grass, and garden. Just encountered a jet black, very shiny snake, that moved very quickly and was over 2 meters long. It was easily thicker than a man’s index finger. It was inside a pile of branches/ garden stuff that we were burning. The fire had started when it shot out of the side of the bonfire where my son and I were NOT standing. It ran to a timber store that we have which is nearby.

    It was all too fast for me to take a photo or even get my mobile out. Didn’t get a good view of its head because it was slithering in the opposite direct very quickly.

    • at 8:44 am

      Sounds like one of the rat snakes – either Ptyas korros or Ptyas carinatus. Both harmless. Cobras are much thicker than a finger.


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