How Smart are Octopuses? (Are Octopuses As Intelligent as Dogs?)

Octopus photo

Cephalopods, including octopuses, are the smartest invertebrates on the planet.  They can use tools, carry coconut shells for shelter, stack rocks to protect their dens, and carry jellyfish tentacles for defense.  In captivity, they can learn to solve puzzles, open screw-top jars, and squirt humans they don’t like.  And they are about as smart as … Read more