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“It is surprising that no one even asked this question,” says Guy Levy, a researcher in the lab of octopus neurobiologist Benny Hochner at the Hebrew National University of Jerusalem. The problem of arms sticking together and getting tied in knots might seem silly from a human perspective. But, for an octopus, it’s an important evolutionary feat of movement control.
Levy, Hochner and their colleagues in the U. S. and Israel think they’ve figured out how octopuses do it. According to their study published today in Current Biology, octopus skin produces a chemical signal to override the tentacles’ suction-cup reflexes. Each chemical signal may also be unique to the octopus, which would prevent these sometimes-cannibalistic organisms from eating severed pieces of their own arms, too.
originally posted by: Rodinus
a reply to: snarky412
Great minds think alike in a way Snarky...
Being a veterinarian I was about to post a thread about this discovery this morning after my first coffee... but you beat me to it.... Bwahhhhhhhhhh sniff sniff...