Reproductive biology of Plagioscion magdalenae (Teleostei: Sciaenidae) (Steindachner, 1878) in the bay of Marajo, Amazon Estuary, Brazil
Nayara Barbosa Santos, Rossineide Martins da Rocha and Flávia Lucena Fredóu
Reproductive and population parameters of discus fish Symphysodon aequifasciatus Pellegrin, 1904 (Perciformes: Cichlidae) from Piagaçu-Purus Sustainable Development Reserve (RDS-PP), lower Purus River, Amazonas, Brazil
Felipe Rossoni, Sidinéia Amadio, Efrem Ferreira and Jansen Zuanon
Pimelodus heraldoi Azpelicueta, 2001, a junior synonym of Pimelodus microstoma Steindachner, 1877 (Siluriformes: Pimelodidae)
Frank Raynner V. Ribeiro and Carlos Alberto S. Lucena
Novel sex-related characteristics of the longsnout seahorse Hippocampus reidi Ginsburg, 1933
Tacyana P. R. Oliveira, André L. C. Castro and Ierecê L. Rosa
Karyotypic diversity between allopatric populations of the group Hoplias malabaricus (Characiformes: Erythrinidae): evolutionary and biogeographic considerations
Daniel Rodrigues Blanco, Roberto Laridondo Lui, Luiz Antonio Carlos Bertollo, Vladimir Pavan Margarido and Orlando Moreira Filho
Hemigrammus tocantinsi: a new species from the upper rio Tocantins basin, Central Brazil (Characiformes: Characidae)
Fernando R. Carvalho, Vinicius A. Bertaco and Fernando C. Jerep
Environmental enrichment reduces aggression of pearl cichlid, Geophagus brasiliensis, during resident-intruder interactions
Vivian Oliveira Kadry and Rodrigo Egydio Barreto
Dorsolateral head muscles of the catfish families Nematogenyidae and Trichomycteridae (Siluriformes: Loricarioidei): comparative anatomy and phylogenetic analysis
Aléssio Datovo and Flávio Alicino Bockmann
Cynolebias parnaibensis, a new seasonal killifish from the Caatinga, Parnaíba River basin, northeastern Brazil, with notes on sound producing courtship behavior (Cyprinodontiformes: Rivulidae)
Wilson J. E. M. Costa, Telton P. A. Ramos, Luisa C. Alexandre and Robson T. C. Ramos