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