Related Clues:

• It might bite the hand that feeds it
• Carnivorous fish
• Fierce fish
• Underwater menace
• Sharp-toothed swimmer
• Voracious swimmer
• Voracious fish
• Amazonian carnivore
• Amazon swimmer
• Literally, 'fish tooth'
• Ruthless type
• Amazon predator
• Ruthless person
• Ferocious fish
• Toothy swimmer