Keeping two arms and two legs coordinated isn't always easy.
New research suggests the task of motor control might be simplified by sticking to a preferred arm to catch prey.
A pouncing, cat-like movement led by the second arm was used for crabs for example, which scuttle much slower than flitting shrimpsFor the quicker and more evasive shrimps, the octopuses led more slowly with the second arm, possibly incorporating subtle motions that help camouflage the arm's movements.
"As each eye of the octopus covers about 180 degrees with virtually zero intersection and displays limited eye movement and no head movement, it is likely that octopuses prefer to place the target in the middle rather than at the border of their visual field,"Seconds count when it comes to catching food out in the wild of course, and it seems as though by simplifying the capture process and using multiple arms, the octopuses can maximize their chances of getting some food.
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