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News Release 05-047
Octopus Uses Two Arms to "Walk Away" from Trouble
First proof of underwater "bipedal" locomotion
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![Octopus marginatus photo](/news/mmg/media/images/octopus_f.jpg)
In the first scientific documentation of underwater "bipedal" locomotion, scientists report that certain octopus species use two of their arms for walking.
Credit: Edge-of-Reef, http://www.edge-of-reef.com/
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![Octopi walking video](/news/mmg/media/images/marginatus_video_f.jpg)
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Octopus marginatus uses two arms to walk along the sea floor in the waters of the Lembeh Straights, Indonesia.
Credit: Bob Cranston, ©Sea Studios Foundation, 1998