Cephalopod arm

A cephalopod arm is distinct from a tentacle, though the terms are used often interchangeably.

By definition, cephalopod arms have suckers along most of their length, as opposed to tentacles, which have suckers only near their ends.

An octopus has eight arms and no tentacles, while squid and cuttlefish tend to have eight arms and two tentacles.

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Last updated on Tuesday September 09, 2008 at 07:41:05 PDT (GMT -0700)
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