Oligosarcus jacuiensis (Characiformes: Characidae), a new species from the Uruguay and Jacuí River basins, southern Brazil
Naércio Aquino Menezes and Alexandre Cunha Ribeiro
Fish assemblage in a dammed tropical river: an analysis along the longitudinal and temporal gradients from river to reservoir
Bianca de Freitas Terra, Alex Braz Iacone dos Santos and Francisco Gerson Araújo
Ecomorphological patterns of the fish assemblage in a tropical floodplain: effects of trophic, spatial and phylogenetic structures
Edson Fontes Oliveira, Erivelto Goulart, Luciani Breda, Carolina Viviana Minte-Vera, Luiz Ricardo de Souza Paiva and Melina Rizzato Vismara
Description of Neblinichthys brevibracchium and N. echinasus from the upper Mazaruni River, Guyana (Siluriformes: Loricariidae), and recognition of N. roraima and N. yaravi as distinct species
Donald C. Taphorn, Jonathan W. Armbruster, Hernán López-Fernández and Calvin R. Bernard
Cytogenetic data on Astyanax jacuhiensis (Characidae) in the lago Guaíba and tributaries, Brazil
Rosiley B. Pacheco, Lucia Giuliano-Caetano, Horácio F. Julio Junior and Ana L. Dias
Crenicichla ypo (Teleostei: Cichlidae), a new species from the middle Paraná basin in Misiones, Argentina
Jorge Casciotta, Adriana Almirón, Lubomír Piálek, Sergio Gómez and Oldrich Rícan
Changes in the structure of fish assemblages in streams along an undisturbed-impacted gradient, upper Paraná River basin, Central Brazil
Alesandra Martins Dias and Francisco Leonardo Tejerina-Garro