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Octopuses are among the most intelligent sea creatures on Earth, able to solve puzzles, open jars, and even use coconut shells as portable shelters! They have 3 hearts, blue blood, and can change color and texture in under one second to hide perfectly. Each of their 8 arms has its own mini-brain with neurons â that is 9 brains in total!
Octopuses can squeeze through tiny spaces!
Octopuses have 3 hearts!
