Jau—Zungaro zungaro—(Humboldt, 1821)
The Jau is one of the Amazon's largest catfish. More benthic in habit and less agile than the piraiba, its mode of battle is the application of sheer power and its prodigious weight. Although widely distributed, it is not uniformly distributed. Jau may be present in a certain river and may be completely absent in a neighboring one. The 109 pound world record was caught on an Acute Angling exploratory trip in 2005. We know there are larger fish out there.
|Bars and Markings||Colors||Size||Key Characters||Similar Species|
|Adults are marked with a regular pattern of closely spaced small maroon to black spots, more distinct in smaller specimens.||Body a dark olive on dorsum and sides, shading to off-white on the abdomen Lower fins darker with distinct patterning.||Adults: may reach sizes of 1.4 meters, possibly exceeding 200 pounds.|
|Known Range||Behavior Notes||Habitat||Common Names||IGFA records|
|Countries: Brazil, Peru, Bolivia, Columbia, Ecuador, Guyana, Venezuela.
River Basins: Amazon and Orinoco basins.
|Ventures well upstream in high gradient rivers. Is said to migrate in pursuit of migrating baitfish.||Primarily occupies deep holes and still pools in lotic (fast water) environments in high gradient river systems.||Pacamao
|109 pounds, caught by Russell Jensen of Bronx, NY on an Acute Angling trip.|