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How to Care for Mollies
Contributed by: Sandhu
  • 1. What is the ideal temperature range for a Molly's aquarium?
A) 50-55°F
B) 85-90°F
C) 72-78°F
D) 60-65°F
  • 2. What is the minimum tank size recommended for a small group of Mollies?
A) 30 gallons
B) 20 gallons
C) 5 gallons
D) 10 gallons
  • 3. Mollies are generally considered what type of fish?
A) Egg-layers
B) Nest builders
C) Mouthbrooders
D) Livebearers
  • 4. What is the recommended pH level for a Molly's aquarium?
A) 7.0-8.5
B) 5.0-6.0
C) 8.5-9.5
D) 6.0-7.0
  • 5. What type of food do Mollies primarily eat?
A) Carnivores
B) Piscivores
C) Omnivores
D) Herbivores
  • 6. How often should you perform water changes in a Molly's aquarium?
A) 100% weekly
B) 25-50% weekly
C) 10% monthly
D) No water changes needed
  • 7. What can a sudden change in water parameters cause for Mollies?
A) Increased activity
B) Increased appetite
C) Improved coloration
D) Stress and illness
  • 8. What is a common disease Mollies are susceptible to?
A) Velvet only
B) Ich
C) Dropsy only
D) Fin Rot only
  • 9. What is the ideal male to female ratio for Mollies?
A) Any ratio is fine
B) 2-3 males to 1 female
C) 1 male to 1 female
D) 1 male to 2-3 females
  • 10. Why is it important to have a cycled aquarium before introducing Mollies?
A) To establish beneficial bacteria
B) To make the water clearer
C) To lower the water temperature
D) To add decorations
  • 11. What does a filter do for a Molly's aquarium?
A) Removes waste and toxins
B) Just moves the water
C) Adds oxygen only
D) Adds nutrients only
  • 12. What is a sign of stress in Mollies?
A) Active swimming
B) Bright coloration
C) Eating frequently
D) Clamped fins
  • 13. What is the gestation period for Mollies?
A) 1 week
B) 2 months
C) Approximately 28-35 days
D) 1 year
  • 14. What should you do with newborn Molly fry?
A) Leave them with the adults
B) Feed them adult food
C) Flush them down the toilet
D) Provide hiding places or separate them
  • 15. What is an appropriate substrate for a Molly tank?
A) Soil
B) Bare bottom
C) Rocks only
D) Gravel or sand
  • 16. What type of lighting is generally recommended for Mollies?
A) Very bright lighting
B) No lighting
C) Moderate lighting
D) Black light
  • 17. What kind of plants are good for a Molly aquarium?
A) Live plants
B) No plants
C) Plastic plants only
D) Fake silk plants only
  • 18. Why is aeration important for a Molly's tank?
A) Keeps the water still
B) Provides oxygen
C) Mainly for decoration
D) Removes carbon dioxide only
  • 19. What should you do if you notice a sick Molly?
A) Add more fish
B) Ignore it and hope it gets better
C) Overfeed the other fish
D) Quarantine it immediately
  • 20. What is a symptom of Ich in Mollies?
A) Brighter colors
B) Rapid swimming
C) White spots on the body
D) Increased appetite
  • 21. What does 'acclimating' fish mean?
A) Clipping their fins
B) Training them to do tricks
C) Feeding them a special diet
D) Gradually adjusting to new water parameters
  • 22. What is the purpose of aquarium salt for Mollies?
A) To make the fish saltier
B) To make the water taste better
C) To dechlorinate the water
D) Can aid in treating certain diseases
  • 23. How often should you feed adult Mollies?
A) Never
B) Once or twice a day
C) Constantly
D) Once a week
  • 24. What type of food is suitable for Molly fry?
A) Crushed flake food or baby fish food
B) No food at all
C) Live insects
D) Large pellets
  • 25. What is the importance of having a lid on the aquarium?
A) Prevents jumping and reduces evaporation
B) Keeps the water warmer
C) Makes the tank quieter
D) Blocks sunlight
  • 26. What is the best way to clean algae from the aquarium glass?
A) Sandpaper
B) Soap and water
C) Bleach
D) Algae scraper or pad
  • 27. What is a good tank mate for Mollies?
A) Piranhas
B) Betta fish
C) Goldfish
D) Platies
  • 28. What is one of the most common causes of death in pet Mollies?
A) Too much light
B) Poor water quality
C) Overfeeding
D) Lack of decoration
  • 29. What should you do before adding new water to your aquarium?
A) Add salt
B) Boil the water
C) Freeze the water
D) Dechlorinate the water
  • 30. What is 'ammonia' in a fish tank?
A) A type of algae
B) A toxic waste product
C) A beneficial nutrient
D) A water clarifier
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