Related Clues:

• Sinuous swimmer
• Sashimi fish
• Slippery sort
• Complain constantly
• Fish lacking pelvic fins
• Epitome of slipperiness
• Thing in the sea
• Lithe swimmer
• Danger to divers
• Sniggler's prey
• That's a moray
• Nearly scaleless fish
• Anago, at a Japanese restaurant
• Sashimi choice
• Angler's prize