The Sea Raiders sea monsters include Scylla and Charybdis of Greek mythology, and the kraken of medieval times which is thought to have been a giant squid. Previous fictional encounters with giant squids are described in chapter 59 of Herman Melville's "Moby-Dick" of 1851, and in Jules Verne's "Twenty Thousand Leagues Under the Sea" of 1870. The narrator describes a recent period when a new sort of giant squid, a species named "Haploteuthis ferox", became known. (This fictitious name can be compared with the genus name "Architeuthis" of the giant squid.) As a part of the survey of the period, including early encounters
20,000 Leagues Under the Sea: Submarine Voyage of realism. Eight submarines painted in grey took guests through the attraction, which took place in a lagoon visible from Tomorrowland and a large show building hidden behind two waterfalls. It became extremely popular with guests, and Walt Disney Imagineering consequently planned for more elaborate version for the forthcoming Florida Project concept, which would become Walt Disney World. One of the signature pieces of 20,000 Leagues Under The Sea was the fleet of passenger vehicles, adapted for theme park use from Harper Goff's Nautilus design for the 1954 Disney live-action version by Disney Imagineer George McGinnis. The basic hulls were