How to Identify and Classify Arowanas
  • 1. What is the defining characteristic of Arowanas that helps distinguish them from other fish?
A) Bony tongue with teeth
B) Smooth scales
C) Rounded fins
D) Downward-pointing mouth
  • 2. Which continent is home to the Silver Arowana (Osteoglossum bicirrhosum)?
A) South America
B) Australia
C) Asia
D) Africa
  • 3. The Asian Arowana (Scleropages formosus) is native to which region?
A) Africa
B) Southeast Asia
C) South America
D) Australia
  • 4. What is a primary distinguishing feature of the Australian Arowana compared to the Asian Arowana?
A) Larger scales
B) More elongated body
C) Shorter barbels
D) More vibrant colors
  • 5. Which Arowana species is known for its reddish-gold coloration?
A) Silver Arowana
B) Black Arowana
C) Super Red Arowana
D) Jardini Arowana
  • 6. What is the main characteristic of the 'Crossback' Asian Arowana?
A) Shorter body
B) Coloration extends across the back
C) Smaller scales
D) Downward curved mouth
  • 7. Which Arowana species is known to be relatively more peaceful compared to others?
A) Super Red Arowana
B) Jardini Arowana
C) Silver Arowana
D) Golden Arowana
  • 8. What type of food do Arowanas primarily consume in the wild?
A) Plant roots
B) Algae
C) Insects and small fish
D) Detritus
  • 9. How do Arowanas typically protect their young?
A) Mouthbrooding
B) Guarding eggs on the substrate
C) Building nests
D) Laying eggs on plants
  • 10. Which Arowana species is native to Australia?
A) Scleropages jardinii
B) Heterotis niloticus
C) Scleropages formosus
D) Osteoglossum bicirrhosum
  • 11. What is the significance of the barbels located on an Arowana's lower jaw?
A) Used for attracting mates
B) Sensory organs for detecting food
C) Used for swimming
D) Used for defense
  • 12. What is a common indicator of stress in Arowanas?
A) Increased activity
B) Brighter coloration
C) Loss of appetite
D) Decreased aggression
  • 13. What is the typical lifespan of an Arowana in captivity?
A) 5-10 years
B) 10-20 years
C) 20-30 years
D) 1-5 years
  • 14. What is the IUCN conservation status of the Asian Arowana (Scleropages formosus)?
A) Vulnerable
B) Endangered
C) Near Threatened
D) Least Concern
  • 15. Which color variant is most prized and expensive in Asian Arowanas?
A) Super Red
B) Silver
C) Green
D) Yellow Tail
  • 16. What water parameter is most critical for Arowana health?
A) Low temperature
B) Clean water
C) High salinity
D) High pH
  • 17. Which of these is NOT a typical food item for a captive Arowana?
A) Shrimp
B) Crickets
C) Mealworms
D) Lettuce
  • 18. What is a common disease that affects Arowanas?
A) Velvet
B) Drop eye
C) Fin rot
D) Ich
  • 19. Which species is also known as the Saratoga?
A) Osteoglossum bicirrhosum
B) Scleropages leichardti
C) Scleropages formosus
D) Heterotis niloticus
  • 20. What scale type and arrangement are commonly used to classify Asian Arowanas?
A) Row count and color
B) Scale pattern and distribution
C) Scale texture and thickness
D) Scale shape and size
  • 21. What is the ideal tank size for an adult Arowana?
A) Extra Large, minimum 300 gallons
B) Small, minimum 50 gallons
C) Large, minimum 180 gallons
D) Medium, minimum 100 gallons
  • 22. What is the function of an Arowana's upturned mouth?
A) Bottom feeding
B) Filter feeding
C) Mid-water feeding
D) Surface feeding
  • 23. Which of these Arowanas is most sensitive to water quality changes?
A) Jardini Arowana
B) Black Arowana
C) Silver Arowana
D) Asian Arowana
  • 24. What is a common tankmate issue with keeping Arowanas?
A) Parasites
B) Infection
C) Aggression
D) Starvation
  • 25. What does 'RTG' stand for in Arowana classification?
A) Red Tail Golden
B) Rare Tropical Giant
C) Red Tipped Gills
D) Royal Thai Gold
  • 26. What is the scientific name for the Black Arowana?
A) Scleropages jardinii
B) Osteoglossum ferreirai
C) Osteoglossum bicirrhosum
D) Scleropages formosus
  • 27. Which Arowana are considered good jumpers?
A) Asian Arowanas only
B) Silver Arowanas only
C) Australian Arowanas only
D) All Arowanas
  • 28. Which characteristic is unique to juvenile Black Arowanas?
A) Blue scales
B) Red fins
C) Spotted pattern
D) Yellow stripe
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