Related Clues:

• Hard to find
• Evasive
• Slithery
• Slippery and slithery
• Slimy and serpentine
• Snakelike
• Like a conger
• Serpentine
• Elusive, slippery
• Deceptive
• Puzzling
• Hard to get
• Shifty
• Wriggly and hard to grasp
• Wriggly and slippery, e.g.