Related Clues:

• Unadon fish
• 'Electric' swimmers
• California river named for a common sight in it
• Slippery devils
• Sinuous fish
• Marine shocker
• Catch in a pot
• Slippery seagoer
• Slithering fish
• Squirmy catches
• Slithery swimmers
• Serpentine swimmers
• Unagi or anago
• Conger or lamprey, e.g.
• Anguilliform one