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Giant Squid Anatomy<br />
• 3 Main body parts - mantle (torso), 8 arms, and 2 longer tentacles (longest known<br />
cephalopod tentacles<br />
• Inside surfaces of arms & tentacles lined with hundreds of subspherical suction<br />
cups, 2 - 5 cm (0.79 to 1.97 in) in diameter, each mounted on a stalk<br />
• Suckers circumference lined with sharp, finely serrated chitin rings<br />
• Common to find circular sucker scars on or close to sperm whales head that have<br />
attacked or been attacked by giant squid<br />
Background<br />
image – <strong>Sea</strong><br />
water off the<br />
coast of Italy.<br />
Image in the<br />
public domain.<br />
Image credit: Smithsonian Institution