Octopus arms are exceptionally flexible, and all eight arms can execute any task their cephalopod owner desires. But a new comprehensive analysis of the diversity of octopus arm-based actions (some labeled here) suggests that some arms are used more frequently to combine these actions to produce certain behaviors The front four arms are used more for exploring and interacting with the environment, while the rear four are more involved with locomotion.
Video Credit: Chelsea Bennice and Roger Hanlon
