Masterminds: Secrets of the Octopus (Full Episode) | National Geographic

Secrets of the Octopus: the Ocean's Masterminds | MEGA EPISODE | Nat Geo Animals

Octopus vs Squid: What’s the Real Difference?

Diver films rare octopus disappearing into sand

Here's a fun fact: Octopuses have three hearts, and two of them stop beating when they swim. That’s right—swimming literally tires them out so much that their bodies partially shut down circulation. Because of this, they prefer crawling along the ocean floor rather than swimming through open water. Even crazier, their blood is blue instead of red because it uses a copper-based molecule called hemocyanin to transport oxygen, which works better in cold, low-oxygen environments. Oh, and about their

Octopus Intelligence Will Shock You 🧠 The Ocean’s Hidden Genius

Octopus Intelligence: The Only Animal That Edits Its Own RNA | Ocean Biology Mystery Explained

Why Octopuses Are So Intelligent? The Alien Minds of the Ocean | Amazing Science Facts #octopus