Related Clues:

• Fish without fins
• Keiko in "Free Willy," for one
• Danger in dangerous waters
• Boat in ''Jaws''
• Slippery critter
• Whale relative
• Command to Eliza Doolittle's dog?
• White-bellied mammal
• Wriggler in the water
• Unagi, in sushi
• Whale tale with Bo Derek
• Ocean menace
• Sushi ingredient, perhaps
• Critter that may go for a long swim?
• Seagoing predator