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What are the definitions of an arm and a tentacle for a squid or octopus? |
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Arms
- have suction cups for their entire lenght,
- can't be retracted.
Tentacles
- haven't suction cups (apart from the ending, which can be considered a tentacled arm)
- are retracted, and pushed out to catch preys.
First answer by Scimmia. Last edit by Scimmia. Contributor trust: 33 [recommend contributor]. Question popularity: 2 [recommend question]
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Answers.com > Wiki Answers > Categories > Animal Life > Wild Animals > Invertebrates > Mollusks > Octopus and Squid > What are the definitions of an arm and a tentacle for a squid or octopus?
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