Assertion: giant squid's existence | /r/HasProperty | reported since ancient times
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text: Since the giant squid prefers to live in abyssal waters, it is almost never seen alive by humans; even so, dead specimens are sometimes washed ashore, and so the existence of the creature has been reported since ancient times; Pliny the Elder mentioned them in his treaty on Natural History, and said that they could grow up to 9.1 meters long (now we know they get bigger!).