Space Amoeba backdrop
Space Amoeba logo
1970·Science Fiction·1h 24m
7.0
When a space probe crash-lands on a far-flung Pacific atoll, the craft's alien stowaways decide to take over their new world one creature at a time. Soon, the parasitic life forms latch onto three indigenous critters -- a squid, a crab and a snapping turtle -- and transform them into colossal mutant monsters.
Directed by Ishirō Honda
spacecraft
island
monster
giant monster
satellite
tropical island
kaiju
space monster
giant squid
giant crab
monster island
native village
space probe
tokusatsu

Cast

Akira Kubo
Akira Kubo
Taro Kudo
Yukiko Kobayashi
Yukiko Kobayashi
Saki, native girl
Kenji Sahara
Kenji Sahara
Makoto Obata
Yoshio Tsuchiya
Yoshio Tsuchiya
Dr. Kyoichi Mida
Tetsu Nakamura
Tetsu Nakamura
Chieftain Ombo
Yū Fujiki
Yū Fujiki
Asia Development Promotion Division Manager
Sachio Sakai
Sachio Sakai
The Editor
Chōtarō Tōgin
Chōtarō Tōgin
Yokoyama
Wataru Ōmae
Wataru Ōmae
Sakura
Shigeo Katō
Shigeo Katō
Sergio Islander
Rinsaku Ogata
Rinsaku Ogata
Sergio Islander
Haruo Nakajima
Haruo Nakajima
Gezora / Ganimes / Taro Kudo (water scene stunt double)

Crew

Ishirō Honda
Ishirō Honda
Director
Ei Ogawa
Ei Ogawa
Screenplay
Akira Ifukube
Akira Ifukube
Original Music Composer
Tomoyuki Tanaka
Tomoyuki Tanaka
Executive Producer
Sadamasa Arikawa
Sadamasa Arikawa
Visual Effects
Teruyoshi Nakano
Teruyoshi Nakano
Visual Effects Director
Jiro Shirasaki
Jiro Shirasaki
Visual Effects Art Director
Jiro Shirasaki
Jiro Shirasaki
Special Effects Assistant
Haruo Nakajima
Haruo Nakajima
Stunt Double
Sadamasa Arikawa
Sadamasa Arikawa
Visual Effects Director
Seiji Tani
Seiji Tani
First Assistant Director
Teruyoshi Nakano
Teruyoshi Nakano
Special Effects Assistant

Popular Reviews

18 reviews
Ddsha
Ddsha
Space Amoeba
Bruu i am so incredibly soft for Gezora, like look at those big goofy eyes, he is an absolute cutie and I refuse to perceive him as a threat lmfao.
But my absolute favorite has to be Kamoebas, probably because she kinda looks like Anguirus and you already know he is my literal GOAT. Honestly though, I felt so bad for the poor animals that got possessed by Yog. Imagine you’re just a chill little sea creature minding your business and PUFFF! A cosmic amoeba takes over your brain, turns you into a giant, and forces you to go on a rampage. That being said, I lowkey missed the classic Showa-era alien invader tropes. Toho is seriously obsessed with them and im not mad abt it!

The final showdown between the crab and the turtle was absolute FIRE. The way Kamoebas was biting him while Ganimes tried to chop her head off with his claw... god, I fucking love old-school suitmation so much. It’s a crime that this movie is so incredibly underrated and barely anyone knows about it.
It even makes me a bit emotional to think that this was the very last "pure" standalone kaiju film of Toho's golden era.
Bruu i am so incredibly soft for Gezora, like look at those big goofy eyes, he is an absolute cutie and I refuse to perceive him as a threat lmfao.
But my absolute favorite has to be Kamoebas, probably because she kinda looks like Anguirus and you already know he is my literal GOAT. Honestly though, I felt so bad for the poor animals that got possessed by Yog. Imagine you’re just a chill little sea creature minding your business and PUFFF! A cosmic amoeba takes over your brain, turns you into a giant, and forces you to go on a rampage. That being said, I lowkey missed the classic Showa-era alien invader tropes. Toho is seriously obsessed with them and im not mad abt it!

The final showdown between the crab and the turtle was absolute FIRE. The way Kamoebas was biting him while Ganimes tried to chop her head off with his claw... god, I fucking love old-school suitmation so much. It’s a crime that this movie is so incredibly underrated and barely anyone knows about it.
It even makes me a bit emotional to think that this was the very last "pure" standalone kaiju film of Toho's golden era.
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gabriel summy
gabriel summy
Space Amoeba
this is so underrated. while it was kinda predictable at moments, i thoroughly enjoyed watching almost every moment of this movie. the effects were incredible for 1960 and the story was good enough to keep me interested throughout the whole duration of the movie. i’m glad this was my first movie of 2026. rest in peace ishirō honda, you legend
this is so underrated. while it was kinda predictable at moments, i thoroughly enjoyed watching almost every moment of this movie. the effects were incredible for 1960 and the story was good enough to keep me interested throughout the whole duration of the movie. i’m glad this was my first movie of 2026. rest in peace ishirō honda, you legend
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Peppodog
Peppodog
Space Amoeba
A very lovecraftian kaiju movie; I liked the "shapeshifthingh" ability of the alien and the look of the crab monster, very similar to Ebirah.
I enjoyed this movie even though is not that crazy compared to other Ishiro Honda's works.
A very lovecraftian kaiju movie; I liked the "shapeshifthingh" ability of the alien and the look of the crab monster, very similar to Ebirah.
I enjoyed this movie even though is not that crazy compared to other Ishiro Honda's works.
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Krookodilian
Krookodilian
Space Amoeba
I Respect the hater move of only canonizing this movie to the wider Godzilla series so Toho could reuse the turtle monster to shit on Gamera
I Respect the hater move of only canonizing this movie to the wider Godzilla series so Toho could reuse the turtle monster to shit on Gamera
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Pelicanmassacre
Pelicanmassacre
Space Amoeba
Firstly, why am I watching this at 1 AM on a school day? Well because i got explosive diarrhea from shitty school food and i have been sitting all night by the toilet. so there’s that.

And the film ugh, i loved the monsters SO much ESPECIALLY the squid, the special effects and beatiful landscapes of the island were wonderful, but the plain ane boring human characters were triggering me so bad for the whole film. Like SO bad that i wanted to turn it off many times. Anyway, ending was pretty cool looking and the underwater scenes triggered my thalassophobia very badly which is a good thing tho.
Firstly, why am I watching this at 1 AM on a school day? Well because i got explosive diarrhea from shitty school food and i have been sitting all night by the toilet. so there’s that.

And the film ugh, i loved the monsters SO much ESPECIALLY the squid, the special effects and beatiful landscapes of the island were wonderful, but the plain ane boring human characters were triggering me so bad for the whole film. Like SO bad that i wanted to turn it off many times. Anyway, ending was pretty cool looking and the underwater scenes triggered my thalassophobia very badly which is a good thing tho.
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