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