Related Clues:

• ''Electric'' fish
• Sushi bar order, perhaps
• Sea swirl
• Unagi, in a sushi bar
•     Slippery sort
• Elongated fish
• Whirl of water
• Canoer's threat
• Migratory creature
• It may be smoked
• Metamorphosing fish
• Dust devil
• Canoeing challenge
• Snaky swimmer
• Bioelectric fish, sometimes