The octopus (/ËÉktÉpÊs/ or /ËÉktÉpÉs/; plural: octopuses, octopi, or octopodes; see below) is a cephalopod mollusc of the order Octopoda. Octopuses have two eyes and four pairs of arms and, like other cephalopods, they are bilaterally symmetric. An octopus has a hard beak, with its mouth at the center point of the arms. Octopuses have no internal or external skeleton (although some species have a vestigial remnant of a shell inside their mantles), allowing them to squeeze through tight places. Octopuses are among the most intelligent and behaviorally flexible of all invertebrates.
Seems like there’s always a study that comes along once in a while describing yet another peculiar squid ability. The latest was discovered by postdoctoral researcher at the University of Rhode Island who discovered a never before seen defensive tactic in any other type of squid species which involved jettisoning parts of its arm when attacked. Just [...]
Giving birth is definitely not something you see everyday, but an octopus giving birth – that’s something you may never see. However, thanks to the Steinhart Aquarium at the California Academy of Sciences in San Francisco, you get a chance to see just that: a species of Caribbean Octopus vulgaris giving birth. They took the [...]