Sperm whale has the largest brain on Earth, more than five times heavier than a human's. Sperm whales can live for more than 60 years. Spermaceti (sperm oil), from which the whale derives its name, was a prime target of the whaling industry, and was sought after for use in oil lamps, lubricants, and candles. Ambergris, a solid waxy waste product sometimes present in its digestive system, is still highly valued as a fixative in perfumes, among other uses. Beachcombers look out for ambergris as flotsam. Sperm whaling was a major industry in the nineteenth century, immortalised in the novel "Moby Dick".
On Top of the Whale and Narciso and the addressing of fluid gender identity of Anita, who is clearly struggling whether they should identify as male or female. This is illustrated in the scene of 01.00.45-01.02.51 where Anita looks in the mirror and tells Eva that everything reflected in the mirror is the opposite and thus changes gender. "Ruiz on On Top of the Whale:" "It has become kind of an impressionistic film about the experiences of different characters who get in contact with the two Indians. My earlier fils dealt with borderline cases as well, but at the moment I reflect more upon problems