Revealing the True Size of the Colossal Squid 🦑
Explore the depths of the ocean to discover the true size of the colossal squid and other mysterious sea monsters science is uncovering.

Science Revealed
344.8K views • Dec 18, 2025

About this video
Descend with us into the darkest depths of the ocean to find the real-life sea monsters that science is just beginning to understand. From the aggressive "Red Devil" Humboldt Squid to the nightmare-fuel Promachoteuthis (the squid with human teeth), we are exploring every ocean zone to see how these creatures evolve to survive the abyss.
In this deep sea documentary, we analyze the ultimate battle of the deep: The Giant Squid vs. The Colossal Squid. Which one is truly the largest invertebrate on Earth? And what happens when these titans face their only predator, the massive Sperm Whale?
Discover the strange biology of the Twilight Zone and the Midnight Zone, including invisible glass squids, bioluminescent hunters, and the mysterious Asperoteuthis of the abyss.
🌊 IN THIS VIDEO, YOU WILL DISCOVER:
The truth behind the "Kraken" legends and Olivier de Kersauson’s terrifying encounter.
The Promachoteuthis: A rare deep-sea squid that looks like it has human teeth.
The Humboldt Squid: Why these cannibalistic pack hunters are called the "Red Devils."
Giant Squid vs. Colossal Squid: A full size and power comparison.
Sperm Whale Battles: Evidence of titanic fights in the deep ocean.
The Abyss: Strange creatures like the Asperoteuthis acanthoderma living 6,000 meters down.
If you have Thalassophobia, proceed with caution!
Blogger: sciencerevealedd8x.blogspot.com
Fanpage: facebook.com/ScienceRevealed
00:00 The Nightmare of Olivier de Kersauson
00:56 The Descent Begins: Epipelagic Zone
01:42 Firefly & Glass Squids: Bioluminescence & Invisibility
02:53 The Twilight Zone: Humboldt Squid Aggression
04:18 The Midnight Zone: The Squid with "Human Teeth"
05:55 The Giant Squid: Anatomy & Gigantism
08:00 The Colossal Squid: The Antarctic Heavyweight
09:40 Giant vs. Colossal: Speed vs. Power Comparison
12:50 The Ultimate Battle: Sperm Whales vs. Squids
13:56 The Abyss: Asperoteuthis Acanthoderma
16:40 Other Abyssal Mysteries: Dana Octopus & Robust Clubhook
17:50 Conclusion: The Unexplored Ocean
Found this deep dive fascinating? 🔔 SUBSCRIBE and turn on notifications so you never miss a journey into the unknown!
https://www.youtube.com/@ScienceRevealed-d8x?sub_confirmation=1
We Were Wrong About The Mariana Trench
https://youtu.be/JvftDNhNz68
We Were Wrong About Megalodon
https://youtu.be/gNoOtfzRr_4
We Were Wrong About the Giant Squid... Antarctic ROV reveals 1,100lb Monster
https://youtu.be/MBn-FkrQhE8
The Scariest Monsters of the Abyss: Living & Prehistoric
https://youtu.be/ok3KZRPAaBY
We Found This At 6,000ft... It Shouldn't Exist
https://youtu.be/H34XeT3cWQw
#deepsea #giantsquid #thalassophobia #colossalsquid #oceanmysteries #seamonsters #marinebiology #naturedocumentary #ScienceRevealed
In this deep sea documentary, we analyze the ultimate battle of the deep: The Giant Squid vs. The Colossal Squid. Which one is truly the largest invertebrate on Earth? And what happens when these titans face their only predator, the massive Sperm Whale?
Discover the strange biology of the Twilight Zone and the Midnight Zone, including invisible glass squids, bioluminescent hunters, and the mysterious Asperoteuthis of the abyss.
🌊 IN THIS VIDEO, YOU WILL DISCOVER:
The truth behind the "Kraken" legends and Olivier de Kersauson’s terrifying encounter.
The Promachoteuthis: A rare deep-sea squid that looks like it has human teeth.
The Humboldt Squid: Why these cannibalistic pack hunters are called the "Red Devils."
Giant Squid vs. Colossal Squid: A full size and power comparison.
Sperm Whale Battles: Evidence of titanic fights in the deep ocean.
The Abyss: Strange creatures like the Asperoteuthis acanthoderma living 6,000 meters down.
If you have Thalassophobia, proceed with caution!
Blogger: sciencerevealedd8x.blogspot.com
Fanpage: facebook.com/ScienceRevealed
00:00 The Nightmare of Olivier de Kersauson
00:56 The Descent Begins: Epipelagic Zone
01:42 Firefly & Glass Squids: Bioluminescence & Invisibility
02:53 The Twilight Zone: Humboldt Squid Aggression
04:18 The Midnight Zone: The Squid with "Human Teeth"
05:55 The Giant Squid: Anatomy & Gigantism
08:00 The Colossal Squid: The Antarctic Heavyweight
09:40 Giant vs. Colossal: Speed vs. Power Comparison
12:50 The Ultimate Battle: Sperm Whales vs. Squids
13:56 The Abyss: Asperoteuthis Acanthoderma
16:40 Other Abyssal Mysteries: Dana Octopus & Robust Clubhook
17:50 Conclusion: The Unexplored Ocean
Found this deep dive fascinating? 🔔 SUBSCRIBE and turn on notifications so you never miss a journey into the unknown!
https://www.youtube.com/@ScienceRevealed-d8x?sub_confirmation=1
We Were Wrong About The Mariana Trench
https://youtu.be/JvftDNhNz68
We Were Wrong About Megalodon
https://youtu.be/gNoOtfzRr_4
We Were Wrong About the Giant Squid... Antarctic ROV reveals 1,100lb Monster
https://youtu.be/MBn-FkrQhE8
The Scariest Monsters of the Abyss: Living & Prehistoric
https://youtu.be/ok3KZRPAaBY
We Found This At 6,000ft... It Shouldn't Exist
https://youtu.be/H34XeT3cWQw
#deepsea #giantsquid #thalassophobia #colossalsquid #oceanmysteries #seamonsters #marinebiology #naturedocumentary #ScienceRevealed
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Video Information
Views
344.8K
Likes
13.1K
Duration
19:05
Published
Dec 18, 2025
User Reviews
4.8
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