Black Arowana (Osteoglossum Ferreirai) Sizes:9 - 11 inches (shredded fins or damaged body) If a small group of

If a small group of these fish are kept together

Columbian Sharks are a peaceful species of catfish

in which gulped air can be stored to oxygenate the blood that runs through this organ

Batrachoididae

Live or frozen fish (silversides

Black Arowana (Osteoglossum Ferreirai) Sizes:9 - 11 inches (shredded fins or damaged body) If a small group ofBlack Arowana (Osteoglossum ferreirai) The Black Arowana is one of the most unique and elegant arowana species available, prized for its dramatic transformation from a jet black juvenile into a sleek, metallic adult. Native to the Rio Negro and surrounding Amazonian blackwater systems, this species is known for its elongated body, smooth swimming motion, and surface hunting behavior. Compared to other arowanas, the Black Arowana offers a more refined