The Sperm Whale (Physeter macrocephalus) is the largest of all
toothed whales and is the largest toothed animal alive, measuring up to 18
metres (60
ft) long. The whale was named after the milky-white waxy substance,
spermaceti, found in its head and originally mistaken for
sperm. The Sperm Whale's enormous head and distinctive shape, as well as its central role in
Herman Melville's
Moby-Dick, have led many to describe it as the
archetypal whale. Partly because of Melville, the Sperm Whale is commonly associated with the
Leviathan of the Bible.
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