New species of Moenkhausia Eigenmann (Ostariophysi: Characidae) from the upper rio Tocantins basin in Central Brazil
Vinicius A. Bertaco, Fernando C. Jerep and Fernando R. Carvalho
Microlepidogaster dimorpha, a new species of Hypoptopomatinae (Siluriformes: Loricariidae) from the upper rio Paraná system
Fernanda de Oliveira Martins and Francisco Langeani
Karyotype variability in neotropical catfishes of the family Pimelodidae (Teleostei: Siluriformes)
Américo Moraes Neto, Maelin da Silva, Daniele Aparecida Matoso, Marcelo Ricardo Vicari, Mara Cristina de Almeida, Maria João Collares-Pereira, and Roberto Ferreira Artoni
Karyotype description and evidence of multiple sex chromosome system X1X1X2X2/X1X2Y in Potamotrygon aff. motoro and P. falkneri (Chondrichthyes: Potamotrygonidae) in the upper Paraná River basin, Brazil
Vanessa Paes da Cruz, Cristiane Kioko Shimabukuro-Dias, Claudio Oliveira and Fausto Foresti
Karyotype characterization of Mugil incilis Hancock, 1830 (Mugiliformes: Mugilidae), including a description of an unusual co-localization of major and minor ribosomal genes in the family
Anne Kathrin Hett, Mauro Nirchio, Claudio Oliveira, Zoila Raquel Siccha, Anna Rita Rossi and Luciana Sola
The opportunistic feeding and reproduction strategies of the annual fish Cynopoecilus melanotaenia (Cyprinodontiformes: Rivulidae) inhabiting ephemeral habitats on southern Brazil
Cristina da Silva Gonçalves, Ursulla Pereira Souza and Matheus Vieira Volcan
Habitat simplification affects nuclear-follower foraging association among stream fishes
Fabrício Barreto Teresa, Renato de Mei Romero, Lilian Casatti and José Sabino
Habitat simplification affects nuclear-follower foraging association among stream fishes Read More »
Guianacara dacrya, a new species from the rio Branco and Essequibo River drainages of the Guiana Shield (Perciformes: Cichlidae)
Jessica H. Arbour and Hernán López-Fernández
Diet and feeding strategy of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil
Mario V. Condini, Elisa Seyboth, João P. Vieira and Alexandre M. Garcia