Size |
Up to 36 inches (90 cm) in captivity |
Weight |
Up to 4.4 pounds (2 kg) |
Lifespan |
Up to 20 years in captivity |
Body Shape |
Elongated and streamlined |
Scales |
Large, metallic, and reflective |
Color |
Predominantly silver with metallic highlights; may have red or green accents |
Mouth |
Terminal (at the front) |
Fins |
Long dorsal and anal fins, pectoral and pelvic fins |
Habitat |
Freshwater rivers, streams, and lakes in South America and Southeast Asia |
Diet |
Carnivorous - primarily feeds on small fish, insects, and crustaceans |
Aquarium Size |
Minimum of 100-150 gallons for juveniles, larger for adults |
Tank Decor |
Dense vegetation, driftwood, and hiding spots; open swimming space is essential |
Compatibility |
Best kept with similar-sized tank mates; avoid keeping with small fish or other Arowanas |