Related Clues:

• Serpentine fish
• Anguine fish
• Migratory swimmer
• Orinoco zapper
• Frog predator
• Elusive swimmer
• Unagi, in a sushi restaurant
• Adult grig
• Candidate for spitchcocking
• A sniggler snares it
• Sole alternative?
• Moray, for example
• River wriggler
• British pie ingredient
• Stork's mouthful