The Mystery Behind History's Most Legendary Sea Monsters

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Sea monsters are mythical or legendary creatures, often believed to be of immense size. Sea monsters can take many forms, including sea dragons, sea serpents, or multi-armed beasts; they can be slimy or scaly, often spouting jets of water. Often they are pictured threatening ships.

Sea monster accounts are found in virtually all cultures that have contact with the sea. Some sea monsters may have been exaggerations of scientifically accepted creatures such as whales and types of giant and colossal squid.