The notorious fictional white whale Moby Dick in the novel is of this species, and is based on the real-life sperm whale Mocha.
Moby Dick is a fictional sperm whale who is the main antagonist in Herman Melville's novel of the same name. Melville based the fictional whale partially.
“Ship ahoy! Have ye seen the White Whale?” This quotation from Moby-Dick may well have been asked by real captains about a different.