Sea Swine: The Sea Swine, also known as Porcus Marinus, is a mythological sea creature with a hog-like head, prominent tusks, and a distinctive single eye at its navel.

Sea Swine - Represents the conflation of real marine observations with myth, highlighting historical misidentifications in natural history.

Sea Swine

Sea Swine - Represents the conflation of real marine observations with myth, highlighting historical misidentifications in natural history.

The Sea Swine, also known as Porcus Marinus, is a mythological sea creature with a hog-like head, prominent tusks, and a distinctive single eye at its navel. It has been variously interpreted as a porpoise and as a fantastical beast with four dragon's feet. Its hybrid features and maritime habitat have made it a subject of enduring debate among scholars and naturalists.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

The Sea Swine remains one of history's most debated cryptids, showcasing how misinterpretations of nature can give rise to enduring myths.

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Quick Creature Info

Associations:

Element: Water

Our Mythic Legendary Rating:

Mythic Ember
Mythic Ember rating

Also Sometimes Known As:

Porcus MarinusSea Hog

Habitat:

OceansOceanWaters south of IcelandReferenced in ancient texts and depicted in medieval maps such as the Carta marinaMarineSouth of Iceland and ancient maritime regions

Supernatural Powers:

Enhanced aquatic adaptation

Physical Attributes:

Single eye at the navelFour dragon's feetHog-like headTuskedToothedPossibly porpoise-like body shape

Abilities:

Pack hunting behaviorRobust physical buildUnique anatomical features

Behavior:

Lives in large packs

Lore:

Mythological sea creature/monsterAncient Greek and later European maritime loreRepresents the conflation of real marine observations with myth, highlighting historical misidentifications in natural history

Related Creatures, Tales or Lore

  • P
    Porpoise (as referenced by John Ray)
  • W
    Wild Boar (noted for hog-like features)
  • D
    Dragon (evoked by its four dragon’s feet)

References

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Mythical Disclaimer: The images and data on this site are derived from various historical and literary sources, but we have found that many myths often have multiple versions and interpretations across references, sometimes contradictory. As a result, these creature depictions are artistic interpretations—imaginative blends of folklore, legend, and a dash of AI guesswork. Because creature descriptions vary widely, our illustrations and accompanying information represent our best effort to honor mythology while bridging creative gaps. Enjoy these interpretations—just remember, we've done our best to respect the stories and validate available data, but in the realm of mythology, details often shift, imagination leads the way, and nothing is ever set in stone!

Curated by the Mythological Creatures Team (rev. May 2025)