Chromosome polymorphism of heterochromatin and nucleolar regions in two populations of the fish Astyanax bockmanni (Teleostei: Characiformes)
Diogo Teruo Hashimoto and Fábio Porto-Foresti
Can weight/length relationship predict size at first maturity? A case study with two species of Characidae
Nelson F. Fontoura, Anamélia S. Jesus, Gabriel G. Larre and Juliana R. Porto
A review of the Cis-Andean species of Hemibrycon Günther (Teleostei: Characiformes: Characidae: Stevardiinae), with description of two new species
Vinicius A. Bertaco and Luiz R. Malabarba
A new vision of the origin and the oocyte development in the ostariophysi applied to Gymnotus sylvius (Teleostei, Gymnotiformes)
Gisleine Fernanda França, Harry J. Grier and Irani Quagio-Grassiotto
A new species of Trichogenes from the rio Itapemirim drainage, southeastern Brazil, with comments on the monophyly of the genus (Siluriformes: Trichomycteridae)
Mário C. C. de Pinna, José Luiz Helmer, Heraldo A. Britski and Leandro Rodrigues Nunes
A new dark-saddled species of Hypostomus (Siluriformes: Loricariidae) from the upper rio Paraguay basin
Cláudio Henrique Zawadzki, Claude Weber and Carla Simone Pavanelli
Weight-length relationship, condition factor and blood parameters of farmed Cichla temensis Humboldt, 1821 (Cichlidae) in central Amazon
Marcos Tavares-Dias, Adriana Maria de Castro Monteiro, Elizabeth Gusmão Affonso and Kárlia Dalla Santa Amaral
Trophic interactions among sympatric zooplanktivorous fish species in volume change conditions in a large, shallow, tropical lake
Rodrigo Moncayo-Estrada, Owen T. Lind and Carlos Escalera-Gallardo
Total mercury in the fish Trichiurus lepturus from a tropical estuary in relation to length, weight, and season
Scheyla C. T. Barbosa, Monica F. Costa, Mário Barletta, David Valença Dantas, Helena A. Kehrig and Olaf Malm
Temporal variation in fish composition and abundance in a perennial tributary of the rio Paraguaçu, a little-known drainage in the Brazilian semi-arid region
Alexandre Clistenes de A. Santos1 and Érica P. Caramaschi