Short Body Redtail Catfish (Phractocephalus hemioliopterus) Gourami Silver Arowana (Osteoglossum bicirrhosum)

Silver Arowana (Osteoglossum bicirrhosum)

Best kept in groups to reduce stress

maxing out around 4-5 feet

Spends most of its time cruising near the surface or lying in wait

but rather a knifefish

Short Body Redtail Catfish (Phractocephalus hemioliopterus) Gourami Silver Arowana (Osteoglossum bicirrhosum)Phractocephalus hemioliopterus, or redtail catfish, are often known as the vacuums of the tank that will not only eat anything they can fit in their mouth that looks appetizing but also grow to a grand length of 2 feet within one year! Their growth in length depends on how much they are eating and if they have enough in an aquarium to grow. These freshwater catfish are black on top and white stomachs as well as red tail fins. They are carnivorous but