Arapiama Gigas largest freshwater fish
July 29th, 2010
Arapaima gigas. World’s largest freshwater fish.feel free to drop any comments on this video The Gigas is a freshwater fish of the Amazon basin. It is one of the largest freshwater fish in the world. Arapaima reach sizes of up to 15 feet in length.The swim bladder is open to the pharynx and the arapaima uses the bladder which is rich in blood vessels as a lung.actually this particular gigas is small compared to the wild gigas (maybe cuz its living in a tank .