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