Narwhal The tusks were staples of the cabinet of curiosities. European knowledge of the tusk's origin developed gradually during the Age of Exploration, as explorers and naturalists began to visit Arctic regions themselves. The narwhal was one of two possible explanations of the giant sea phenomenon written by Jules Verne in his 1870 novel "Twenty Thousand Leagues Under the Sea". Verne thought that it would be unlikely that there was such a gigantic narwhal in existence. The size of the narwhal, or "unicorn of the sea", as found by Verne, would have been . For the narwhal to have caused the
20,000 Leagues Under the Sea (1954 film) film's script without the usage of any of the film's cast for character voices. In addition, both albums were narrated by Ned Land as opposed to Aronnax, who narrated the film and the original novel. Neither album mentioned Nemo as actually being "cracked" (i.e. insane), as the film does, and considerably sanitized the character by omitting any mention of him killing anyone and even having him sing sea chanties with his crew. The albums also had Nemo surviving at the end and releasing Ned, Arronax, and Conseil out of gratitude for their saving his life. In this version, Ned, Aronnax