Osteoglossum bicirrhosum is a prehistoric freshwater fish native to the Amazon River basin, characterized by its elongated, compressed body and large, silver scales that exhibit a brilliant iridescence. As a specialized surface feeder, it possesses an upward-oriented mouth and two sensory barbels on its lower jaw, which are used to detect vibrations from insects and small prey near the water surface. Successful captive care for this species demands a high-capacity filtration system and a spacious environment that accommodates its significant growth and natural jumping behavior. Observation of this species provides a unique window into the evolutionary history of teleost fishes, making it a highly respected subject among advanced aquarists who appreciate its graceful movement and ancient lineage.
毎日更新！業界流通観賞魚図鑑「アクプリ」
