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The Rhedosaurus is the main antagonist of the 1953 Danish-American science fiction monster film The Beast from 20,000 Fathoms.

Nuclear tests in the Arctic Circle have accidentally thawed out and awakened a gigantic dinosaur that threatens humanity due to its blood containing a deadly virus.

Appearance

The Rhedosaurus resembles a large monitor lizard with dark gray scales and a row of spines running down its back.

Powers and Abilities

The Rhedosaurus possesses the following powers and abilities:

  • Powerful jaws
  • Enormous size
  • Infectious blood

Fate

The creature is shot in the neck with a radioactive isotope, causing it to undergo heatstroke and die.

Trivia

  • The creature was portrayed via stop-motion animation by stop-motion master Ray Harryhausen.
  • The film was loosely based on a Ray Bradbury short story titled The Fog Horn.

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