Giant Sea Serpent

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Image gallery for Giant Sea Serpent

Giant Sea Serpent
The Giant Sea Serpent in King Kong Escapes
Alternate names Giant Sea Snake,
The Serpent of Mondo Island[1]
Subtitle(s) Sea Beast (海獣,   Kai-jū)[2]
Species Giant Serpent
Length 85 meters[3]
Weight 4,000 metric tons[3]
Enemies King Kong
Created by Takeshi Kimura
Portrayed by Puppet
First appearance King Kong Escapes

The Giant Sea Serpent (大ウミヘビ,   Ō-umihebi, lit. Giant Sea Snake) is a giant serpent kaiju created by Toho that first appeared in the 1967 Toho film, King Kong Escapes.


The Giant Sea Serpent is literally called Giant Sea Snake (Ō-umihebi) in Japanese. Its name is most often written in Japanese media as 大ウミヘビ, with the "umihebi" spelled out in katakana. Sometimes the name is represented entirely in kanji, as 大海蛇.[4]


Showa Series

King Kong Escapes

The Giant Sea Serpent only has a short appearance in the film King Kong Escapes. When the film's central character Susan Watson and her companions are attempting to leave Mondo Island, the Giant Sea Serpent rises out from the water and approaches their craft. On the shore, King Kong, concerned with the safety of Susan then throws a boulder at the serpent to distract it while Susan Watson and her companions escape the serpent and reach their submarine. King Kong goes into the water, and is attacked by the Giant Sea Serpent, who attempts to constrict Kong. After a brief skirmish, Kong frees himself from the Giant Sea Serpent's grasp and tosses him back into the water.


  • The Giant Sea Serpent has abilities similar to those of contemporary giant snake Manda.
  • The Giant Sea Serpent is a superb swimmer and uses constriction to defeat his enemies.


Main article: Giant Sea Serpent/Gallery.


  • The battle with King Kong and the Giant Sea Snake is reminiscent of Kong's bout with the Elasmosaurus in the original King Kong film.[5]
  • It is speculated that the Piranhadon from Peter Jackson's King Kong was an homage to the Giant Sea Serpent.
  • The Giant Sea Serpent is one of the minor Showa era monsters to have received an official toy.[6]
  • The Giant Sea Serpent's scenes were removed in Toho's 1973 Champion Festival edition of King Kong Escapes.


This is a list of references for Giant Sea Serpent. These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: [1]


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