🐟 Black Arowana / Blue Arowana – (Osteoglossum ferreirai)
The Black Arowana, often called the Blue Arowana due to its striking iridescent scales, is a rare and magnificent freshwater fish native to the Amazon and Orinoco river basins. Known for its large size, powerful body, and impressive jumping ability, this species commands respect and requires a massive aquarium and expert care.
🏠 Tank Size: Minimum 400 gallons
  🌊 Prefers warm, soft, acidic freshwater with gentle water flow
  🪵 Provide large open swimming areas and sturdy cover
🍤 Carnivorous — feeds on fish, insects, crustaceans, and small mammals or birds in the wild
  🐟 Needs a varied diet of live, frozen, and pellet foods
🐠 Aggressive and territorial, especially as they mature
  🚫 Best kept singly in species-only setups or with large, robust fish
🌡️ Temperature: 75–86°F (24–30°C)
  💧 pH: 6.0–7.0
  📏 Size: Up to 36 inches (90 cm) or more
  ⚠️ Requires exceptional water quality and a secure, covered tank
  🌿 Known for impressive jumping ability — a tight-fitting lid is essential
| 🔖 Scientific Name | Osteoglossum ferreirai | 
|---|---|
| 🐟 Common Name | Black Arowana / Blue Arowana | 
| 🌎 Origin | Amazon & Orinoco Basins | 
| 📏 Size | Up to 36 inches (90 cm) | 
| 🌡️ Temperature | 75–86°F (24–30°C) | 
| 💧 pH Range | 6.0–7.0 | 
| 🐟 Temperament | Aggressive, territorial | 
| 🏠 Tank Size | 400+ gallons | 
| 🍽️ Diet | Carnivore | 
💡 The Black (Blue) Arowana is a majestic and demanding predator, best suited for expert aquarists with very large tanks and secured lids.











