Related Clues:

• Hard to get a grip on
• Wet and snakelike
• Lamprey-like
• Hard to control
• Wriggly
• Elusive and slippery
• Hard to catch, in a way
• Too slippery and slimy to grasp
• Lampreylike
• Long and slimy
• Long, wet, and snakelike
• Wriggly and slimy
• It's slippery, see — that's what we hear
• Moray-like
• Hard to capture