did anybody see this program on national geographic lastnight?? amazing school of Azul in one of the scenes, geos, crenicichla, a pleco they referred to as armored catfish, very cool show. it was followed up by another show called monster piranha which was pretty interesting. two American doctors travel into the Xingu river fishing for all types of piranha species. they actually got permission from two of the native tribes to fish beyond there village. one of them wound up catching what he believed to possibly be a world record payara.