Related Clues:

• Nocturnal swimmer
• Certain spawner
• Unagi, in Japanese restaurants
• It has electric organs
• Lamprey or conger, e.g.
• Grownup elver
• Long-bodied swimmer
• This may shock you
• It may prey on seals
• Doomed vessel in "Jaws"
• Swimmer with a current
• Lamprey
• Grown elver
• ''Jaws'' ship
• Finless fish