Octopus
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An octopus is a cephalopod mollusc of the order Octopoda. It has two eyes and four pairs of arms and, like other cephalopods, it is bilaterally symmetric. An octopus has a hard beak, with its mouth at the center point of the arms. An octopus has no internal or external skeleton (although some species have a vestigial remnant of a shell inside their mantles), allowing it to squeeze through tight places. Octopuses are among the most intelligent and behaviorally flexible of all invertebrates.
For more information visit the Wikipedia Entry Get back to Cephalopoda | ||
Blue-ringed octopus | Common octopus | East Pacific red octopus |
Flapjack Octopus | Giant Pacific octopus | Glowing sucker octopus |
Ocellated octopus | Umbrella octopus | White-striped octopus |