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