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How to Raise Guppies
Contributed by: Boyd
  • 1. What is the ideal water temperature for guppies?
A) 50-55°F (10-13°C)
B) 85-90°F (29-32°C)
C) 72-82°F (22-28°C)
D) 60-65°F (15-18°C)
  • 2. What is the minimum tank size for a small group of guppies (3-5)?
A) 10 gallons
B) 1 gallon
C) 5 gallons
D) 2.5 gallons
  • 3. How often should you perform a water change in a guppy tank?
A) 100% monthly
B) 50% daily
C) 25% weekly
D) No water changes needed
  • 4. What type of food is best for guppies?
A) Cat food
B) Dog food
C) Goldfish flakes
D) High-quality flake food
  • 5. What do guppies need in their diet for vibrant colors?
A) Salt
B) Sugar
C) Oil
D) Carotenoids
  • 6. Why should you use a sponge filter in a guppy tank?
A) To protect fry from being sucked in
B) To heat the water
C) To increase water flow
D) To add carbon dioxide
  • 7. What is the gestation period for guppies?
A) 21-30 days
B) 45-60 days
C) 90-120 days
D) 7-14 days
  • 8. What is a sign that a female guppy is close to giving birth?
A) Gravid spot darkens
B) Fins disappear
C) Scales fall off
D) Gills turn white
  • 9. What is the 'gravid spot' on a female guppy?
A) A birthmark
B) A disease on the tail
C) Area near the anal fin that darkens when pregnant
D) A wound
  • 10. Why should you separate guppy fry from adults?
A) Fry will pollute the water
B) Fry need colder water
C) Fry need more light
D) Adults may eat the fry
  • 11. What is a good first food for guppy fry?
A) Sand
B) Gravel
C) Adult flake food
D) Baby brine shrimp
  • 12. What is the ideal pH level for a guppy tank?
A) 5.0-6.0
B) 8.0-9.0
C) 9.5-10.5
D) 6.8-7.8
  • 13. What is the term for the process of acclimating new guppies to a tank?
A) Tank diving
B) Water boarding
C) Drip acclimation
D) Forced swimming
  • 14. What plants are good for guppy tanks?
A) Java moss
B) Venus flytrap
C) Rose bush
D) Cactus
  • 15. Why are plants beneficial in a guppy tank?
A) Turn water blue
B) Provide hiding places and oxygen
C) Attract predators
D) Block sunlight
  • 16. What is Ich?
A) A parasitic disease
B) A type of algae
C) A type of plant
D) A beneficial bacteria
  • 17. What is a common symptom of Ich?
A) Swollen belly
B) Red fins
C) Green scales
D) White spots on the body
  • 18. What can cause ammonia spikes in a guppy tank?
A) Perfect water conditions
B) Too few fish
C) Underfeeding
D) Overfeeding
  • 19. What is the nitrogen cycle?
A) Food cycle
B) Light cycle
C) Water cycle
D) Conversion of ammonia to nitrite to nitrate
  • 20. What should nitrate levels be kept under in a guppy tank?
A) 80 ppm
B) 20 ppm
C) 100 ppm
D) 50 ppm
  • 21. What does the term 'culling' refer to in guppy breeding?
A) Feeding the fish
B) Cleaning the tank
C) Adding more fish
D) Removing undesirable fish from the breeding pool
  • 22. What is the purpose of aeration in a guppy tank?
A) To remove waste
B) To heat the water
C) To add carbon dioxide
D) To increase oxygen levels
  • 23. Which of the following is NOT a good tank mate for guppies?
A) Neon Tetras
B) Piranhas
C) Snails
D) Corydoras Catfish
  • 24. What is the advantage of using a breeder box?
A) To add more plants
B) To filter the water
C) To protect fry from being eaten
D) To heat the water
  • 25. What type of lighting is best for a guppy tank?
A) No lighting
B) Incandescent lighting
C) LED lighting
D) Black lights
  • 26. How often should you clean the gravel in a guppy tank?
A) Daily
B) Never
C) Monthly
D) During water changes
  • 27. Why is it important to dechlorinate tap water before adding it to a guppy tank?
A) Chlorine changes the pH
B) Chlorine makes the water cloudy
C) Chlorine is too cold for guppies
D) Chlorine is toxic to fish
  • 28. What can you use to buffer the pH in a guppy tank?
A) Lemon juice
B) Bleach
C) Sugar
D) Crushed coral
  • 29. What is the scientific name for the guppy?
A) Poecilia reticulata
B) Danio rerio
C) Betta splendens
D) Carassius auratus
  • 30. What is a common cause of fin rot in guppies?
A) Poor water quality
B) Too much light
C) Overfeeding plants
D) Too much oxygen
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