Tag Archives: octopus

The octopus is a creature that continues to surprise scientists and inspire engineers. With eight arms that move in ways no human limb can, it demonstrates flexibility and control that seem almost otherworldly. Each arm bends, twists, elongates, and shortens with unmatched precision, enabling these animals to hunt, hide, and explore with ease. Researchers hope that unlocking the …

Arm actions Twelve arm actions were identified from 15 behaviors with a total of 3,907 actions recorded from 25 wild octopuses (total 25 min, 1-min per octopus) across 6 field sites with varying ecohabitats. The majority of these actions were observed across multiple behaviors. Many actions were observed during the behaviors of crawl (11/12 actions), crawl speculative bottom searching (10/12 actions), …

Building an Octopus Dictionary, One Arm Movement at a Time  The New York Times Octopuses prefer to use different arms for different tasks, scientists find  The Guardian Octopus arm flexibility facilitates complex behaviors in diverse natural environments  Nature Octopus arms are adaptable but some are favored for particular jobs  Science News How to use 8 arms? Octopuses tend to explore with their front limbs  ABC …

“Imagine a life spent riding currents, never touching solid earth,” says Schmidt Ocean Institute on Instagram alongside a captivating video of a pelagic octopus drifting along. “You’d have to be different than others of your kind so you can easily hide in plain sight.”  The octopus was gliding along 1,047 metres deep when pilots of a remotely operated vehicle (ROV) caught it on camera during the …

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Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They’re deadly. One group — the blue-ringed octopus (genus Hapalochlaena) — is especially dangerous. But what makes this creature so lethal? Blue-ringed octopuses carry a killer concoction called tetrodotoxin (TTX), a potent neurotoxin that can paralyze living things, including …