From Expatica, A desirable pet for every home. [Sorry, linked page is no longer available.]
An octopus called Frieda at the Munich zoo has joined a small and elite but growing number of mollusks that have learned to open jar lids with their tentacles.
The four-month-old female treats visitors of the Hellabrunn Zoo to daily displays of her dexterity and has even learned to discern between empty jars and those containing her favourite snacks of wriggling shrimp, crabs and clams.
Like others of her undulating species that have mastered the feat, Frieda positions her entire body over the lid of a wide-mouthed jar and grasps the sides with the suckers on her 80-centimetre-long tentacles. Then with a mighty full-body twist, she wrenches the lid off.
Since her body almost entirely covers the jar it is difficult for observers to see quite how she does it.
But the results are obvious, as the lid wafts its way to the sandy bottom of her aquarium and Frieda contentedly slurps up the goodies from the open jar. [continue]
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Elsewhere on the web:
Octopus: Skills from Pulse of the Planet
Keeping the Octopus Occupied - from Shed Aquarium