The gilded catfish or jau (Zungaro zungaro) is a South American catfish (order Siluriformes) of the family Pimelodidae. It is also known as manguruyu or black manguruyu.[1]
By some sources, it is the only species of the monotypic genus Zungaro. However, some sources list other species as valid, such as Zungaro jahu.[2] This species may be referred to by one of its synonyms, Brachyplatystoma flavicans. This species contains two subspecies, Z. z. mangurus and Z. z. zungaro.
They are sexually mature upon reaching 10kg (20lb) weight. This fish native to the Orinoco and Amazon basins; in the Amazon, this fish is found quite upstream, in the main bed of the big tributaries with muddy bottoms.
This fish reaches 140round=0.5NaNround=0.5 in total length, and specimens measuring 130round=0.5NaNround=0.5 and weighing 50kg (110lb) are not rare. These fish are mainly piscivorous, hunt at night, and sometimes go into flood-prone areas of rivers. Some migrations in pursuit of migrating Triportheus and Anodus have been reported. The nursery ground is at the mouths of rivers.