We would like to get the other countries to be more protective. "They should be less liberal about exporting ornamental fish. The Silver arowana, Osteoglossum bicirrhosum, can reach a length of over ...

Besides these massive bony tongues, the area is also home to two different species of arowana: the Silver arowana, Osteoglossum bicirrhosum and the less common Black arowana, O. ferreirai. The Amazon ...