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