Silver Arowana - 6cm

Species Profile

• Scientific Name: Osteoglossum bicirrhosum
• Common Name: Silver Arowana
• Adult Size: Up to 36 inches (90 cm), though some can grow larger in ideal conditions
• Life Expectancy: 10–15 years in captivity, possibly longer in the wild
• Habitat: Native to slow-moving rivers, flooded forests, and lakes in the Amazon Basin, and other regions in South America

Tank Requirements

• Minimum Tank Size: 250 gallons or larger (due to their size and swimming needs)
• Ideal Temperature: 75–82°F (24–28°C)
• pH Range: 6.5–7.5
• Water Hardness: 3–12 dGH
• Temperament: Predatory and sometimes territorial, but generally peaceful with other large fish of similar temperament

Diet & Nutrition

• Omnivorous: Yes
  • Diet includes small fish, crustaceans, insects, and plant matter

  • In captivity, they are often fed live or frozen fish, shrimp, and high-quality pellets designed for large predatory fish

Appearance

• Sleek, elongated body with metallic silver scales
• Long, flowing fins, with a prominent dorsal fin that extends well past the back
• Large, upturned mouth with a wide jaw
• Eyes are large in proportion to the body, aiding in hunting in low-light environments

Distinctive Features

• Long barbels (whisker-like extensions) on the lower jaw, used to sense prey in the water
• Highly adapted to jumping out of the water to catch prey, capable of leaping several feet into the air
• Known for their stunning, shimmering silver coloration
• Often referred to as "dragon fish" due to their mythical appearance