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Japanese water demons whose bloodthirsty tendencies can be prevented from harming someone if a cucumber with the victim’s name carved on it is thrown at them

Japanese water demon with a hollow on top of its head

Kappas fact file


Water demon


Similar to a monkey, but with fish scales instead of fur

Magic Abilities

Derives strength from the water held in the hollow on its head


Feeds on human blood. An attack can be prevented by throwing a cucumber engraved with the victim's name

Typical Habitats

Commonly found in Japan and inhabits shallow ponds and rivers

The Kappa is a Japanese water demon that inhabits shallow ponds and rivers.


Fantastic Beasts and Where to Find Them

By J.K. Rowling

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Seems you’ve had a pretty thorough grounding in tackling Dark creatures – you’ve covered Boggarts, Red Caps, Hinkypunks, Grindylows, Kappas and werewolves, is that right?

Alastor 'Mad Eye' Moody
A werewolf snarling under a full moon from the Prisoner of Azkaban

8 fantastic beasts to be scared of this Hallowe’en

From Red Caps they moved on to Kappas, creepy water-dwellers that looked like scaly monkeys ...


Harry Potter and the Prisoner of Azkaban

By J.K. Rowling

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Very poorly explained ... that is incorrect, the Kappa is more commonly found in Mongolia ... Professor Lupin gave this eight out of ten? I wouldn’t have given it three ...

Severus Snape