Octopuses are among the most fascinating and intelligent invertebrates, and the claims in the image are largely accurate and supported by scientific research.
An octopus has nine brains: one central brain located in its head, and one smaller brain in each of its eight arms.
These arm-based ganglia allow the limbs to operate semi-independently, making the octopus exceptionally adept at multitasking, manipulating objects, and navigating complex environments.
Each arm can process sensory and motor information on its own, giving it a high degree of autonomy.
They also have three hearts. Two of these, known as branchial hearts, are located near the gills and are responsible for pumping blood through them. The third, the systemic heart, circulates oxygenated blood to the rest of the body. Interestingly, the systemic heart temporarily stops beating while the octopus swims, which is why octopuses prefer crawling to conserve energy.
Octopus blood is blue due to a copper-rich protein called hemocyanin, which functions similarly to hemoglobin in humans.
Hemocyanin is more efficient than hemoglobin at transporting oxygen in cold, low-oxygen environments—ideal for the octopus’s typical marine habitat.
These remarkable physiological traits contribute to the octopus’s extraordinary problem-solving skills, camouflage abilities, and survival tactics, which include jet propulsion, ink expulsion, and complex behavioral patterns.
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