How to Care for Angelfishes
  • 1. What is the minimum recommended tank size for a pair of adult angelfish?
A) 20 gallons
B) 40 gallons
C) 55 gallons
D) 30 gallons
  • 2. What is the ideal temperature range for angelfish?
A) 72-76°F
B) 85-90°F
C) 78-84°F
D) 68-72°F
  • 3. What type of water is best for angelfish?
A) Saltwater
B) Soft, slightly acidic water
C) Hard, alkaline water
D) Brackish water
  • 4. What is a common sign of stress in angelfish?
A) Clamped fins
B) Constant eating
C) Vibrant colors
D) Aggressive behavior
  • 5. Which of the following is a good source of protein for angelfish?
A) Bloodworms
B) Driftwood
C) Gravel
D) Lettuce
  • 6. How often should you perform water changes in an angelfish tank?
A) Only when cloudy
B) Weekly
C) Every other day
D) Monthly
  • 7. What is the ideal pH range for angelfish?
A) 5.0 - 5.5
B) 7.5 - 8.5
C) 8.5 - 9.5
D) 6.0 - 7.0
  • 8. What type of filtration is recommended for angelfish?
A) Only biological
B) Only chemical
C) A combination of mechanical, chemical, and biological
D) Only mechanical
  • 9. What is a common disease that affects angelfish?
A) Fin rot
B) Dropsy
C) Ich
D) Swim bladder disease
  • 10. What should you do if you suspect your angelfish has Ich?
A) Increase the water temperature and treat with medication
B) Add salt to the tank
C) Ignore it and hope it goes away
D) Flush the fish
  • 11. Angelfish are generally considered to be what type of fish?
A) Semi-aggressive
B) Herbivores
C) Peaceful
D) Aggressive
  • 12. What type of decor should be avoided in an angelfish tank?
A) Smooth rocks
B) Driftwood
C) Sharp decorations
D) Live plants
  • 13. What is a good way to acclimate angelfish to a new tank?
A) Pour the bag water directly into the tank
B) Rinse the fish under tap water
C) Immediately release them into the tank
D) Float the bag in the tank for 15-30 minutes
  • 14. What does 'aquascaping' mean?
A) Feeding the fish
B) Cleaning the aquarium
C) Arranging aquarium decorations
D) Measuring the water parameters
  • 15. What is the purpose of a quarantine tank?
A) To store extra decorations
B) To isolate new fish to observe for disease
C) To breed angelfish
D) To use as a sump
  • 16. How can you tell if angelfish are breeding?
A) They will lose their color
B) They will start fighting
C) They will hide all the time
D) They will clean a flat surface and lay eggs
  • 17. What do angelfish eggs look like?
A) Black strands
B) Green algae
C) Small, amber-colored dots
D) Large, white spheres
  • 18. How long does it take for angelfish eggs to hatch?
A) 1 day
B) 1 week
C) 2-3 days
D) 1 month
  • 19. What do newly hatched angelfish fry eat?
A) Flake food
B) Bloodworms
C) Gravel
D) Infusoria or microworms
  • 20. What is the scientific name for the angelfish?
A) Pterophyllum scalare
B) Carassius auratus
C) Betta splendens
D) Poecilia reticulata
  • 21. Which fish is generally NOT a good tank mate for angelfish?
A) Plecos
B) Small, slow-moving fish like neon tetras
C) Corydoras catfish
D) Swordtails
  • 22. What is the purpose of activated carbon in a filter?
A) Adds beneficial bacteria
B) Removes impurities and odors
C) Traps large debris
D) Lowers the pH
  • 23. What is the benefit of using live plants in an angelfish tank?
A) They increase the pH
B) They make the water cloudy
C) They help oxygenate the water and provide hiding places
D) They release harmful toxins
  • 24. What does the term 'cycling' a tank mean?
A) Changing the water
B) Adding fish
C) Establishing beneficial bacteria
D) Turning on the filter
  • 25. What are some common varieties of angelfish?
A) Goldfish, Guppy, Pleco
B) Koi, Veil tail, Marble
C) Oscar, Cichlid, Catfish
D) Siamese fighter, Molly, Corydora
  • 26. What does the term 'bioload' refer to?
A) The amount of waste produced in the tank
B) The type of filter used
C) The size of the tank
D) The number of decorations
  • 27. What is a water conditioner used for?
A) To add salt to the water
B) To add algae to the tank
C) To lower the water temperature
D) To remove chlorine and chloramine from tap water
  • 28. Why is it important to have a secure lid on an angelfish tank?
A) To keep other fish from getting in
B) To block out sunlight
C) To prevent them from jumping out
D) To keep the water warm
  • 29. What is a symptom of a Nitrate Poisoning?
A) Rapid Growth
B) Clear Eyes
C) Breeding behavior
D) Gasping at the surface
  • 30. What is a method to lower the nitrate level in your angelfish tank?
A) Add more fish
B) Remove the filter
C) Perform a water change
D) Increase feeding
Created with That Quiz — where a math practice test is always one click away.