Did you know these 7 facts about cuttlefish? 1. Cuttlefish can see light invisible to humans. 2. Cuttlefish can secrete ink. 3. Cuttlefish have three hearts. 4. They can count objects, especially their favorites, like shrimp. 5. The cuttlefish's ability to compare objects is equivalent to that of a 12-month-old human child. 6. They have 10 million pigment cells in their skin, allowing them to change color, pattern, and texture rapidly. 7. They have extraordinary vision despite being colorblind.

Is this the Most Advanced Eye? - How does a cuttlefish see the world with a W-shaped pupil? How can an animal with only one photoreceptor still detect color? And what makes its polarized-light vision one of the most advanced systems in the ocean? If you’re enjoying the content and want to support us, consider subscribing! | The Brain Maze

Cuttlefish are so intelligent they can remember what, where, and when they last ate, but did you know they're also masters of disguise? Discover more in #SuperNaturalSeries, streaming on Disney . | National Geographic TV