Related Clues:

• Scuba diving hazard
• Congers, e.g.
• Sinuous swimmers
• Charged swimmer?
• It may be charged in the water
• Sushi choices
• Wriggly swimmers
• Meal for a seal
• ''Electric'' fish
• Sushi bar order, perhaps
• Reef dwellers
• Unagi, in a sushi bar
•     Slippery sort
• Elongated fish
• Marine wrigglers