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How to Raise Tetras
Contributed by: Boyd
  • 1. What is the ideal temperature range for a Tetra aquarium?
A) 85-90°F (29-32°C)
B) 60-65°F (15-18°C)
C) 80-85°F (27-29°C)
D) 72-78°F (22-26°C)
  • 2. What is the minimum recommended tank size for a small school of Tetras (6-8)?
A) 5 gallons
B) 2.5 gallons
C) 10 gallons
D) 1 gallon
  • 3. Tetras are generally considered what type of fish?
A) Brackish fish
B) Community fish
C) Solitary fish
D) Aggressive fish
  • 4. What is the ideal pH level for a Tetra aquarium?
A) 7.0-8.0
B) 5.0-6.0
C) 6.0-7.0
D) 8.0-9.0
  • 5. What type of lighting is generally preferred for Tetras?
A) Very bright artificial light
B) No lighting at all
C) Dim or subdued lighting
D) Bright, direct sunlight
  • 6. What is a common sign of stress in Tetras?
A) Faded color
B) Increased appetite
C) Increased activity
D) Aggressive behavior
  • 7. What is the recommended frequency for water changes in a Tetra tank?
A) 100% monthly
B) 25% weekly
C) 50% daily
D) 10% monthly
  • 8. Which of these is a common food for Tetras?
A) Live crickets
B) Dog food
C) Flake food
D) Rabbit pellets
  • 9. What important element should be included in the substrate of a Tetra tank?
A) Aquatic plants
B) Sharp gravel
C) Construction sand
D) Plastic toys
  • 10. What is a common disease that affects Tetras?
A) Ich
B) Cowpox
C) Tuberculosis
D) Measles
  • 11. How many Tetras should you keep together, at a minimum?
A) 6
B) 1
C) 2
D) 3
  • 12. Why is quarantine important for new Tetras?
A) To prevent them from eating
B) To observe for disease
C) To change their color
D) To make them feel lonely
  • 13. What does 'cycling' a tank mean?
A) Establishing beneficial bacteria
B) Spinning the filter
C) Adding chlorine
D) Changing the water daily
  • 14. Which Tetra is known for its bright red coloration?
A) Neon Tetra
B) Glowlight Tetra
C) Penguin Tetra
D) Cardinal Tetra
  • 15. What type of filter is most suitable for a Tetra tank?
A) Sponge filter
B) No filter
C) Undergravel filter
D) Engine oil filter
  • 16. Which element should you test for regularly in a Tetra aquarium?
A) Gasoline
B) Milk
C) Sugar
D) Ammonia
  • 17. What is the benefit of adding driftwood to a Tetra tank?
A) Attracts algae
B) Raises pH
C) Lowers pH
D) Increases hardness
  • 18. What should you do if you notice signs of Ich on your Tetras?
A) Remove all the water
B) Ignore it
C) Treat with medication
D) Add more fish
  • 19. What type of plants do Tetras prefer?
A) Cacti
B) Venus flytraps
C) Succulents
D) Fine-leaved plants
  • 20. What is a symptom of overfeeding Tetras?
A) Cloudy water
B) Clear water
C) Happy fish
D) Increased algae growth
  • 21. How often should you clean the filter in a Tetra tank?
A) When flow is reduced
B) Every day
C) Every month
D) Never
  • 22. What other fish are good tankmates for Tetras?
A) Piranhas
B) Corydoras
C) Goldfish
D) Oscars
  • 23. What type of environment mimics the natural Tetra habitat?
A) Blackwater
B) Tap water
C) Brackish water
D) Saltwater
  • 24. What is the lifespan of most Tetras?
A) Less than 1 year
B) 1-2 years
C) 10-20 years
D) 5-10 years
  • 25. Which of these is a sign of good water quality?
A) Smelly water
B) Green water
C) Clear water
D) Brown water
  • 26. What is one thing to avoid putting in a tank of Tetras?
A) Driftwood
B) Rounded decorations
C) Sharp decorations
D) Live plants
  • 27. What can a lack of oxygen cause?
A) Fish eating less
B) Fish gasping at the surface
C) Increased algae growth
D) Fish hiding more often
  • 28. Which Tetra is known for their peaceful nature?
A) Buenos Aires Tetra
B) Black Skirt Tetra
C) Serpae Tetra
D) Ember Tetra
  • 29. What is the first thing one should do when starting a new tank?
A) Add fish immediately
B) Cycle the tank
C) Never add any water
D) Place tank in direct sunlight
  • 30. What is the purpose of an air stone in a Tetra tank?
A) To feed fish
B) To filter water
C) Increase oxygen
D) To add color
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