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Squids have two long tentacles to help grasp food, they squirt ink so they can escape from enemies, they use bio-luminescence to get light and they can change colors.

The squid can shoot out ink from its siphan (water jet) to blind its enemy. This siphan comes of the mantel (body) of the squid and is also used to suck in and expel water for respiration, and propel themselves through the water. Its axons are very large and therefore have become a prime target for neurological studies. Some giant squids may have the ability to become luminescent (glow) through the use of chemicals (like many smaller sized squids). Two unique things about giant squid are that they have very large eyes compared to most other animals. They also have an unusual amount of ammonium ions in their circulation allowing them to maintain a buoyancy close to that of the water so that they do not get crushed from the ocean pressure or sink.

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10y ago

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