Octopus Facts – Surprising Facts about Octopus
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An octopus can even lose its arm to escape its predators grasp and can re-grow it later with no permanent damage.
The oldest known octopus fossil dates back to some 296 million years.
Aristotle thought that octopus is dumb.
Arms of octopus have their own mind. Two-thirds of an octopus’ neurons reside in its arms and not its head.
Octopus has blue blood because it has copper rather than iron based protein called hemocyanin. It is more efficient at transporting oxygen at very low temperature and when oxygen is low.
Octopuses are boneless and have soft bodies enabling them to squeeze into tight spaces.
The word octopus comes from a Greek word ‘oktopus’ meaning “eight foot.”
The Blue ringed octopus is one of the world’s most venomous marine animals.
Most octopus species have suction cups on the bottom of each arm.
Octopuses are found in different sizes.