Pacific Northwest Tree Octopuses

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The Pacific Northwest tree octopus (Octopus paxarbolis) can be found in the temperate rainforests of the Olympic Peninsula on the west coast of North America. Their habitat lies on the Eastern side of the Olympic mountain range, adjacent to Hood Canal. These solitary cephalopods reach an average size (measured from arm-tip to mantle-tip,) of 30-33 cm. Unlike most other cephalopods, tree octopuses are amphibious, spending only their early life and the period of their mating season in their ancestral aquatic environment. Because of the moistness of the rainforests and specialized skin adaptations, they are able to keep from becoming desiccated for prolonged periods of time, but given the chance they would prefer resting in pooled water.

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The reasons for this dire situation include: decimation of habitat by logging and suburban encroachment; building of roads that cut off access to the water which it needs for spawning; predation by foreign species such as house cats; and booming populations of its natural predators, including the bald eagle and sasquatch. What few that make it to the Canal are further hampered in their reproduction by the growing problem of pollution from farming and residential run-off. Unless immediate action is taken to protect this species and its habitat, the Pacific Northwest tree octopus will be but a …show more content…
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Tree Octopus FAQs — Frequently asked questions, now with answers.
Tree Octopus Sightings — Includes photos of and behavioral research on the Pacific Northwest Tree Octopus and other tree octopus species.
Tree Octopus In The Media — appearances of tree octopuses, both real and fictional, in the media and popular culture.
Research On Other Tree Octopus Species:
Pitch-Chewing Tree Octopuses Of British Columbia — Octopuses in BC have long been reported chewing the pitch of Sitka spruce like gum, and will even go into the trees to forage for it.
Olive Loving Tree Octopuses Of Antiquity — Octopuses in Greece were known since ancient times to climb olive trees to feast on the tasty fruit.
More On Old World Tree Octopuses — Ancient writers, such as Aristotle and Pliny the Elder, tell of octopuses that venture onto land, including one that used a tree to commit burglary.
The Ara-Eaters: Tree Octopuses Of Polynesia — Reports from the 1800s tell of island octopuses that are attracted to the fragrant flowers of the pandanus tree.
Nicharongorong: Tree Octopuses of Micronesia — Reports of Palauan tree octopuses that give birth in mangrove trees and eat

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