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
Twenty Thousand Leagues Under the Sea and begins to sympathize with Ned Land. Near the end of the book, the "Nautilus" is attacked by a warship of some nation that had made Nemo suffer. Filled with hatred and revenge, Nemo ignores Aronnax's pleas for mercy. Nemo—nicknamed "angel of hatred" by Aronnax—destroys the ship, ramming it just below the waterline, and consequently sinking it into the bottom of the sea, much to Aronnax's horror, as he watches the ship plunge into the abyss. Nemo bows before the pictures of his wife and children and is plunged into deep depression after this encounter. For several days after this,