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