Related Clues:

• Snaky fish
• Oceanic migrator
• One with an electric organ
• Sinuous sea creature
• Brave opponent
• Scuba diving hazard
• Charged swimmer?
• It may be charged in the water
• Meal for a seal
• ''Electric'' fish
• Sushi bar order, perhaps
• Unagi, in a sushi bar
•     Slippery sort
• Elongated fish
• Migratory creature