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