How to Care for Arowanas
  • 1. What is the minimum tank size generally recommended for an adult Arowana?
A) 180 gallons
B) 75 gallons
C) 125 gallons
D) 250 gallons
  • 2. What is the ideal water temperature for Arowanas?
A) 76-80°F (24-27°C)
B) 68-72°F (20-22°C)
C) 90-94°F (32-34°C)
D) 82-88°F (28-31°C)
  • 3. What is the recommended pH level for an Arowana tank?
A) 5.0-6.0
B) 6.5-7.5
C) 9.5-10.5
D) 8.0-9.0
  • 4. Arowanas are naturally found in which type of environment?
A) Saltwater
B) Freshwater
C) Brackish water
D) Marine reef
  • 5. What is a common sign of stress in Arowanas?
A) Decreased sensitivity to light
B) Increased activity
C) Brightened coloration
D) Loss of appetite
  • 6. What type of filtration is essential for an Arowana tank?
A) High-powered filtration
B) Sponge filter only
C) Undergravel filter only
D) No filtration needed
  • 7. What is an important tankmate consideration for Arowanas?
A) Similar temperament and size
B) Aggressive, territorial fish
C) Any fish will do
D) Small, docile fish
  • 8. What is a common health issue affecting Arowanas?
A) Fin rot
B) Drop eye
C) Velvet disease
D) Ich
  • 9. Why is a secure tank lid crucial for Arowanas?
A) To keep other fish out
B) To maintain water temperature
C) For aesthetic purposes only
D) They are jumpers
  • 10. What is a suitable diet for Arowanas?
A) Flake food only
B) Algae wafers only
C) Plant-based diet
D) Variety of meaty foods
  • 11. What should be done during a partial water change in an Arowana tank?
A) Use tap water directly
B) Add salt to the new water
C) Dechlorinate the new water
D) Skip the water change
  • 12. What is the lifespan of an Arowana in captivity, on average?
A) 1-3 years
B) 10-15 years
C) 20-30 years
D) 5-7 years
  • 13. What type of lighting is generally recommended for Arowana tanks?
A) UVB lighting
B) Very bright lighting
C) Moderate lighting
D) No lighting
  • 14. What is a good way to prevent 'cloudy eye' in Arowanas?
A) Add medication preventatively
B) Maintain good water quality
C) Remove all decorations
D) Dim the lights
  • 15. Why is it important to quarantine new Arowanas?
A) All of the above
B) To prevent disease spread
C) To acclimate them to the tank
D) To observe their behavior
  • 16. What is the meaning of 'scutes' on an Arowana?
A) Cartilage in the jaw
B) Bones in the fin
C) Scales along the belly
D) Sensory organs
  • 17. What is a sign of overfeeding in Arowanas?
A) Rapid growth
B) Increased appetite
C) Bloated abdomen
D) Brightened colors
  • 18. What type of substrate is best for an Arowana tank?
A) Bare bottom or smooth gravel
B) Sharp gravel
C) Soil substrate
D) Sand substrate
  • 19. What is a common reason for Arowanas to refuse food?
A) Introduction of new tankmates
B) Poor water quality
C) Overfeeding
D) All of the above
  • 20. How often should you perform a partial water change in an Arowana tank?
A) Every other day
B) Weekly
C) Only when the water is cloudy
D) Monthly
  • 21. What is the primary purpose of adding tannins (e.g., Indian Almond Leaves) to an Arowana tank?
A) To add beneficial bacteria
B) To raise pH and increase hardness
C) To lower pH and provide antibacterial properties
D) To add color for aesthetic reasons
  • 22. What is considered a peaceful tankmate option for Arowanas?
A) Redtail Catfish
B) Large Plecos
C) Tiger Barbs
D) Convict Cichlids
  • 23. Which of the following foods is NOT recommended for Arowanas?
A) Shrimp
B) Goldfish (due to disease risk)
C) Mealworms
D) Earthworms
  • 24. What is a common symptom of Hexamita (Hole-in-the-Head disease) in Arowanas?
A) Fin rot
B) Swollen belly
C) Pits and lesions on the head
D) Cloudy eyes
  • 25. How can you help an Arowana recover from Drop Eye?
A) Adding more plants
B) Varying the feeding location
C) Turning off the lights completely
D) Lowering the water level
  • 26. What does 'cycling' a fish tank refer to?
A) Establishing beneficial bacteria
B) Adding decorative items
C) Adjusting the water temperature
D) Replacing the water entirely
  • 27. What is the primary function of a protein skimmer in a fish tank (though less common in freshwater setups)?
A) Removes organic waste
B) Kills bacteria
C) Adds oxygen to the water
D) Regulates pH levels
  • 28. Which geographic region are Asian Arowanas primarily native to?
A) Australia
B) Africa
C) South America
D) Southeast Asia
  • 29. What is the most important consideration when choosing tank decorations for an Arowana?
A) Use only natural decorations
B) Choose brightly colored decorations
C) Fill the tank with as many decorations as possible
D) Avoid sharp or abrasive surfaces
  • 30. What is the benefit of using a UV sterilizer in an Arowana tank?
A) Increases pH levels
B) Controls algae and pathogens
C) Adds essential minerals
D) Lowers water temperature
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