Related Clues:

• Thrash
• Aquatic mammal
• See 64-Across
• See 25-Across
• Oil source
• Moby-Dick, for one
• Humpback, e.g.
• Member of a pod
• Aquarium attraction
• -
• Killer, e.g.
• Use a harpoon
• Ahab's obsession
• Exemplar of great size
• Sea spouter