Posts by tag #Octopus_parvus

CursusApr 3, 2026

Male octopuses reserve a special arm for mating

Male octopuses are especially protective of their third right arm—the hectocotylus—which is essential for reproduction. They take great care to shield it from harm, often using their other limbs to explore their surroundings instead. Studies have shown that if this arm is lost, mating becomes impossible until it has fully regenerated.