A) Downward-pointing mouth B) Bony tongue with teeth C) Rounded fins D) Smooth scales
A) South America B) Africa C) Australia D) Asia
A) Southeast Asia B) Africa C) South America D) Australia
A) More elongated body B) Shorter barbels C) Larger scales D) More vibrant colors
A) Silver Arowana B) Super Red Arowana C) Black Arowana D) Jardini Arowana
A) Smaller scales B) Coloration extends across the back C) Downward curved mouth D) Shorter body
A) Golden Arowana B) Jardini Arowana C) Super Red Arowana D) Silver Arowana
A) Algae B) Plant roots C) Insects and small fish D) Detritus
A) Laying eggs on plants B) Building nests C) Mouthbrooding D) Guarding eggs on the substrate
A) Heterotis niloticus B) Osteoglossum bicirrhosum C) Scleropages jardinii D) Scleropages formosus
A) Sensory organs for detecting food B) Used for defense C) Used for swimming D) Used for attracting mates
A) Decreased aggression B) Increased activity C) Brighter coloration D) Loss of appetite
A) 5-10 years B) 20-30 years C) 1-5 years D) 10-20 years
A) Vulnerable B) Near Threatened C) Endangered D) Least Concern
A) Green B) Silver C) Yellow Tail D) Super Red
A) High pH B) Low temperature C) High salinity D) Clean water
A) Mealworms B) Crickets C) Shrimp D) Lettuce
A) Fin rot B) Velvet C) Ich D) Drop eye
A) Osteoglossum bicirrhosum B) Heterotis niloticus C) Scleropages formosus D) Scleropages leichardti
A) Scale shape and size B) Scale pattern and distribution C) Scale texture and thickness D) Row count and color
A) Medium, minimum 100 gallons B) Large, minimum 180 gallons C) Small, minimum 50 gallons D) Extra Large, minimum 300 gallons
A) Filter feeding B) Bottom feeding C) Mid-water feeding D) Surface feeding
A) Silver Arowana B) Jardini Arowana C) Asian Arowana D) Black Arowana
A) Infection B) Aggression C) Parasites D) Starvation
A) Royal Thai Gold B) Rare Tropical Giant C) Red Tipped Gills D) Red Tail Golden
A) Scleropages jardinii B) Osteoglossum ferreirai C) Osteoglossum bicirrhosum D) Scleropages formosus
A) Asian Arowanas only B) All Arowanas C) Silver Arowanas only D) Australian Arowanas only
A) Red fins B) Yellow stripe C) Blue scales D) Spotted pattern |