Giant squid live deep underwater and are rarely seen. Most of what scientists know about them comes from dead squid carcasses found floating in the sea. The largest squid ever recorded was almost 43 feet (13 m) in length, and weighed about a ton. They feed off fish, crustaceans, and other squid, and use a a tongue-like organ lined with serious teeth called a radula in order to cut their captured prey into bite-sized pieces. That’s because the giant squid’s esophagus runs through the middle of its donut-shaped brain, and only small bits can pass through.
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