Sea pig may refer to:

Animals

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  • Scotoplanes, a genus of deep-sea holothurians (sea cucumbers) commonly called sea pigs
  • Sea Swine (a.k.a. Porcus Marinus), an historical name for porpoise and mythical creatures
  • A local name for the dugong
  • The name of Guinea pigs in some countries
  • Hawaiian flagtail, sometimes called puaʻa kai (sea pig)

Other uses

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  • "The Sea Pig", an episode from the PBS series Songs For Unusual Creatures by Michael Hearst