Heterotis niloticus is an ancient fish belonging to the order Osteoglossiformes native to Africa, and it is an extremely unique species characterized by its distinct plankton-feeding ecology that sets it apart from other arowanas, as well as its heavy scale texture reminiscent of the Arapaima. Its body, which gains significant thickness as it matures, along with its brownish coloration emitting a calm metallic luster, displays an overwhelming presence in large aquariums and evokes the profound charm of a living fossil that carries its prehistoric form into the modern era. In captivity, the key to maintaining its health lies in careful management, such as frequently providing fine food while considering its natural filter-feeding behavior; however, by establishing a proper environment and observing the fish closely, the opportunity to witness the rhythm of life inherited over hundreds of millions of years serves as the ultimate reward for enthusiasts who dedicate themselves to raising this species.
毎日更新！業界流通観賞魚図鑑「アクプリ」
