Related Clues:

• Elongated swimmer
• Aquarium wriggler
• Fish in sushi bars
• Sushi serving
• Fish with toxic blood
• Hard-to-hold swimmer
• Reef predator
• Unagi, at a Japanese restaurant
• Wriggly one
• Sea slitherer
• Broiled sushi fish
• It's electric
• Fish whose skin is sometimes used for leather
• Snail eater
• Paragon of slipperiness