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Img suiko
Japanese 水虎
English Water Tiger
Species Yōkai
Gender Male
First Appearance
Manga Suiko
Anime Series 1 Episode 14 (1968)
1968 anime Toshiya Ogata
1985 anime Kazumi Tanaka
1996 anime Ryūzaburō Ōtomo
2007 anime Hirohiko Kakegawa
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Suiko (水虎, water tiger) is a kappa-like yokai.


The suiko is a kappa-like yokai that lives in and around the Chikugo River (Kyushu), Lake Biwa (Shiga prefecture), and other bodies of water across Japan. It can also be found in China. However, the suiko is a different beast altogether and must not be confused with the kappa.

In addition to prowling around at night and making mischief, the suiko has the power to possess people. Those possessed by a suiko descend into a temporary state of madness, but they recover quickly after the creature withdraws.

At least once a year, the suiko drags a human victim into the water, sucks out his blood, and returns the body to shore. It is best not to have a funeral for the victim of a suiko attack. Instead, the body should be left on a wooden plank inside a small thatched hut in a field. If done properly, this course of action causes the flesh of the suiko perpetrator to slowly rot until it dies.




Shonen Magazine / 1st Anime

He appears in episode 14 of the 1st anime adaption, Suiko.

3rd Anime

He appears in episode nine of the 3rd anime adaption, Immortal Yōkai Suiko.

4th Anime

He appears in episode 56 of the 4th anime adaption, Water Transformation! Yōkai Suiko.

5th Anime

He appears in the first episode of the 5th anime adaption, The Street Where Yōkai Dwell.




  • In the 1968 anime, Suiko is portrayed as a ghostly tiger that sucks the moisture out of everything.