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Squid Class Cephalopoda – “head-foot” The head of the squid, which bears the arms and tentacles, is a modified foot. Squid Pen Invertebrate, no shell, but gladius (internal supporting structure). 8 Arms. 2 Tentacles. Squid Tentacles. Squids have 10 appendages –
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SquidClass Cephalopoda – “head-foot”The head of the squid, which bears the arms and tentacles, is a modified foot
Squid PenInvertebrate, no shell, but gladius (internal supporting structure) 8 Arms 2 Tentacles
Squid Tentacles Squids have 10 appendages – four pairs of arms, containing two rows of suckers each, and a single pair of tentacles with suckers only at the ends.
Squid Predator Sperm whales eat squid … imagine the battle that ensued that left these marks on the skin of the whale.
Squid Beak Beak for eating - food travels down the throat and esophagus, which passes directly through the brain to the stomach.
Squid Funnel The ink congeals into a squid-like shape that holds the enemy's attention while the squid turns pale and jets away. Click on the image above to see this happen (128 Kbytes mpeg). Video credits http://seawifs.gsfc.nasa.gov/OCEAN_PLANET/HTML/squid_defend_itself.html Funnel: A squid swims by squirting water from the mantle through the funnel. The direction it swims depends on which way the funnel is aimed. The funnel is flexible.
Plum Island, Massachusetts, in 1980, it is only the third giant squid found stranded on U.S. shores. Total length of specimen: 2.7 m (9 ft)Weight: 200 kg (440 lb)Sex: femaleMissing parts: long feeding tentacles and maroon-colored skin. They were lost when the squid washed ashore.Estimated length with feeding tentacles: 9 m (30 ft)
Image Assistance http://giantsquid.msstate.edu/LessonList/dissection.html