top of page

The term "Bucktooth Tetra" commonly refers to the Exodon paradoxus, a species of tetra known for its distinctive appearance and behavior. Here are some details:



  • Average Size: Around 2-3 inches
  • Lifespan: 5-8 years



  • Silver-colored body with distinct bucktooth-like protruding lower jaw.
  • Aggressive behavior, especially during feeding.



  • Native to South America, found in clear and slow-moving waters.



  • Highly predatory and known to be aggressive.
  • Should be kept in a school to distribute aggression.


Tank Size:

  • A tank size of at least 30 gallons is recommended for a group.


Care Level:

  • Moderate to Challenging.
  • Requires good water quality and hiding spots.



  • Carnivorous. Prefers live or frozen foods like small fish, worms, and other meaty offerings.


Water Parameters:

  • pH: 6.0-7.5
  • Temperature: 75-82°F
  • Hardness: 5-15 dGH



  • Keep in a group of at least 6 to help distribute aggression.
  • Ensure a well-covered tank, as they may jump.
  • Due to their aggressive nature, careful consideration should be given to tankmates.



Please note that these are general guidelines, and for more accurate values, we encourage you to contact Living Aquarium by phone or in person. Our team of experts is always happy to provide personalized guidance and answer any questions you may have about caring for your tank.

Bucktooth Tetra

    bottom of page