Related Clues:

• Sniggler's wriggler
• Moray, e.g.
• See 23-Across
• Aquatic shocker
• Aquarium denizen
• Thin fish
• Spitchcock
• See 1-Down
• Wriggly creature
• One in a wriggly field?
• Food fish
• Elusive one
• Mud ___
• Slippery one
• Slithery swimmer