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Lyle Zapato

Tree Octopus Videos: Hatch & Attack!

Lyle Zapato | 2010-01-15.6195 LMT | Cephalopods | Nature

The new decade brings two new tree octopus videos. First up is an incredible one from the Save the Tree Octopus! YouTube channel (not associated with ZPi) which purports to show a hatching tree octopus:

The idea that tree octopuses hatch from solid-shelled eggs in trees is just fanciful, the stuff of urban legend. It has never been documented in any species before, although there have been unconfirmed reports from Palau of octopuses giving live birth in trees. However, the breeding habits of O. paxarbolis -- which must return to the Puget Sound to lay soft-shelled eggs that produce dime-sized hatchlings -- are well known among cephalopodologists, both human and sasquatch.

What I believe we are seeing here is a juvenile tree octopus that has found a bird's nest, pecked a hole through one of the eggs with its beak, and then squeezed through the hole to dine on the innards, causing the imbalanced egg to roll over, hiding the small entrance. This sort of behavior is often seen in octopuses, who enjoy tight spaces and free food. Once finished with its meal and heavy with yolk and albumen, it finds it easier to break the shell than squeeze back through the hole, producing the illusion of hatching.

While not showing the next step in tree octopus evolution that it initially appears, the video is still an interesting look into the food-web of the Cascadian forest canopy, and illustrates the tree octopuses' dependence on native bird species.

The other video is a short, self-explanatory action flick in the "octoploitation" genre from Raging Walrus Filmz titled Tree Octopus Attack! Enjoy:

End of post.