Considering th e morphology. diet and spatial distribution of Satanoperca pappaterra and Crenicichla britskii (Perciformes: Cichlidae) in the Upper Paraná River floodplain (Brazil). the following questions were investigated: (1) Could the body shape predict the use of trophic resources and habitat by C. britskii and S. https://pipingrockers.shop/product-category/vanadyl/