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