Octopuses possess roughly 500 million neurons distributed across their body, with two-thirds located in their arms rather than their central brain, meaning each arm can taste, problem-solve, and react to stimuli independently of whatever the octopus is otherwise paying attention to. Saving Tips June 10, 2026 A common octopus (Octopus vulgaris) can solve a maze with one arm while another arm, on the far side of…
