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