Black Arowana

The Black Arowana (Osteoglossum ferreirai)

The Black Arowana (Osteoglossum ferreirai) is a stunning and rare freshwater species found primarily in the Rio Negro and Orinoco River basins of South America. With its deep black coloration and metallic blue highlights, this Arowana exudes sophistication and mystery.

Juvenile Black Arowanas are especially eye-catching — showcasing vibrant orange and yellow trim along their fins and tail, a coloration that gradually transitions into rich, dark hues as they mature. They are known for their intelligence, surface-feeding habits, and impressive leaps, which make them both fascinating and challenging to keep.

This species thrives in large, calm aquariums with warm, soft, and slightly acidic water. When provided with proper care and a balanced protein-rich diet, the Black Arowana becomes a loyal, commanding presence in any aquascape.

Key Features:

• Rare, dark-bodied Arowana species from the Amazon Basin

• Juveniles display orange and yellow accents

• Adults turn deep black with iridescent blue highlights

• Grows up to 30 inches in captivity

• Intelligent, active, and responsive to caretakers

Care Requirements:

• Large tank (minimum 250 gallons) with secure lid

• Temperature: 26–30°C (78–86°F)

• pH: 6.0–7.0 (soft, slightly acidic water)

• Diet: Crickets, worms, shrimp, pellets, and small fish

• Moderate lighting to enhance natural coloration

Ideal For: Advanced aquarists and collectors who appreciate rare, dark-toned Arowana species with powerful presence and mystique.