It is also referenced in the kojiki, the oldest book about the history of Japan.
In Popular Media
It makes an appearance in the video games: Metal Gear Solid 3, Metal Gear Solid V: The Phantom Pain, and Metal Gear Solid Portable Ops, in which it is edible, you can also keep it for some unlockables. It has also appeared as an enemy in the Castlevania series which is known to include several popular cryptids. It is also a yokai in Yo-Kai Watch, known as "Noko" in the English dub. In the Space Dandy episode "Nobody knows the Chameleon alien, Baby" QT discovers his love for tsuchinoko fishing, which lead him to catching an extremely rare alien that had shape-shifted into a tsuchinoko. It even appears in an online fake dead Japanese creature carcass website. In the book "After Man" a creature named fatsnake resembles a tsuchinoko. The 3.0.0 update of Monster Hunter World added a capturable Tsuchinoko which could be added as a pet to the player's room. Tsuchinoko was also featured in episode 4 of Kemono Friends titled "Desert Area" having a more human-like appearance and is a character in the episode. The pokémon Dunsparce is based on the tsuchinoko its Japanese name Nokocchi is a anagram of tsuchinoko.
It could be a type of slug who's features became exaggerated over thousands of years.
- Ular Pendek, a similar, wide-girthed snake cryptid from Indonesia