Octopus Arms Show Movement Preferences in Wild
Reading
Humans use one hand more than the other. Scientists looked at how octopuses use their arms. Octopuses do not have a favorite arm to use all the time.
Scientists watched videos of wild octopuses moving around. They wanted to see how each of their eight arms worked. Octopus arms can do many things, which is very impressive to researchers.
Octopus arms are not like mammal arms with special jobs. However, octopuses liked using their front arms. They used the front arms about 60% of the time for different actions.
The front arms help octopuses explore their surroundings often. The back arms help them move forward better. Scientists looked at videos taken in the ocean over many years.
Unlike tests in labs, octopuses did not pick right or left arms. This study was done in their real home. Octopuses are hard to find, so filming them took a lot of time.
Questions
Do octopuses have a favorite arm?
No, octopuses do not have a favorite arm to use all the time.
How often do octopuses use their front arms?
They used the front arms about 60% of the time for different actions.
Why is it hard to study octopuses?
Octopuses are hard to find, so filming them took a lot of time.
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