Related Clues:

• Prefix meaning "four"
• Exotic fish
• Prefix with -cycline
• Four, before
• Showy aquarium fish
• Brightly colored tropical fish
• Some aquarium acquisitions
• Aquarium buys
• Bright swimmers
• One more than "tri"
• Aquarium denizens
• Tropical American finch
• Four fore?
• Vampire ___ (fanged fish)
• Hedron lead-in