Related Clues:

• Sole alternative?
• Moray, for example
• River wriggler
• British pie ingredient
• Stork's mouthful
• Unagi
• Electric fish, perhaps
• Sushi-bar delicacy
• ___ roll (sushi item)
• Sniggler's target
• Underwater slitherer
• Eel, on a sushi menu
• Underwater electricity source
• Slim fish
• It's often smoked in Sweden