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