A video shows an octopus appearing to wake up from sleep in distress. The behaviour looked similar to waking up from a nightmare, scientists said. The findings raise questions about the possibility of ...

A wild octopus surprised an Australian diver this week by suddenly, and quite dramatically, inflating itself with water, ballooning up like a parachute. Later, when the diver posted a video of the ...

Unlike most octopuses, which tackle their prey with all eight arms, a rediscovered tropical octopus subtly taps its prey on the shoulder and startles it into its arms. “I’ve never seen anything like ...

An octopus wraps around a diver’s leg during this dive. The contact is unexpected and firm. Movement slows to prevent distress. Octopus behavior is exploratory, not hostile. The moment requires ...

Slowly sneaking up on its prey and carefully reaching an arm over to tap it on the shoulder, the larger Pacific striped octopus startles its food into its arms. As if this recently observed behavior ...