Do octopuses have arms?īERLIN (Reuters) – Octopuses’ eight tentacles divide up into six “arms” and two “legs”, a study published by a chain of commercial aquariums said on Thursday. Tentacles only have suction cups near the end of the limb. What’s the difference between an arm and a tentacle? Arms, like those on an octopus, have suction cups the entire length of the limb. What’s the difference between arms and tentacles? The limbs of nautiluses, which number around 90 and lack suckers altogether, are called tentacles. Do octopus has tentacles?īarring a few exceptions, octopuses have eight arms and no tentacles, while squid and cuttlefish have eight arms (or two “legs” and six “arms”) and two tentacles. The internal wall is the infundibulum, and the cavity in the center is the acetabulum. The suction cups on an octopus’ arms are called suckers.
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