Llamhigyn y Dŵr: Llamhigyn y Dŷr, also known as the Water Leaper, is a fearsome creature from Welsh folklore.

Llamhigyn y Dŵr - Feared for snapping fishing lines and preying on livestock and fishermen, the creature embodies the dangers lurking in murky wetland waters.

Llamhigyn y Dŵr

Llamhigyn y Dŵr - Feared for snapping fishing lines and preying on livestock and fishermen, the creature embodies the dangers lurking in murky wetland waters.

Llamhigyn y Dŷr, also known as the Water Leaper, is a fearsome creature from Welsh folklore. It is depicted as a giant frog with bat wings and a long, stinging lizard tail. Known for its malevolent nature, it terrorises swamps and ponds by snapping fishing lines and preying on livestock and fishermen.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

Some scholars suggest that its bizarre composite appearance may represent a conflation of real animal traits with symbolic elements of ancient Welsh animism.

Enjoying this creature? A quick share helps us keep expanding Mythological Creatures. If not, no worries, enjoy the collection.

Sponsor this space

Tasteful, fixed-fee placements for myth projects

No bidding wars or flashing banners. We offer simple placements for a small set of creators and brands aligned with our readers.

Request further details

Quick Creature Info

Associations:

Element: Water

Our Mythic Legendary Rating:

Ethereal Power
Ethereal Power rating

Also Sometimes Known As:

Water Leaper

Habitat:

Swamps and pondsPhysicalWaterWalesInhabits murky, swampy waters and pondsWetland areas of WalesLocal wetlands

Supernatural Powers:

FlightLeaping across water

Physical Attributes:

Bat-like wingsLegless bodyLong lizard-like tail with stingerGiant frog morphologyUnconventional flight mechanism via wingsVenomous stinger at tail tip

Abilities:

Agility in water and airPhysical strengthPredatory natureAmbush capabilities

Behavior:

Aggressive and malevolentPredatory and destructive, blamed for various misfortunes

Lore:

Monstrous water beastWelsh folkloreFeared for snapping fishing lines and preying on livestock and fishermen, the creature embodies the dangers lurking in murky wetland waters

Related Creatures, Tales or Lore

References

Discover Another Mythical Legend You May Not Have Heard Of?

Uncover the mysteries of ancient folklore and expand your knowledge of legendary beings from cultures around the world.

Dare to Meet the Nephthys....

Curated by the Mythological Creatures Team

Series editor: Mythological Creatures Directory

Primary desk: Northern & European Folklore Desk

(rev. November 2025)