Related Clues:

• Dolphin kin
• Sea mammal
• Walrus relative
• Mammal with a blowhole
• Ahab's quarry
• Largest mammal
• Jonah's three-day prison
• Cetacean
• The largest is blue
• Mammoth mammal
• Pod member
• Pinocchio swallower
• Giant sea mammal
• Bigness exemplar
• Largest animal that ever lived