v. 9, n. 1,
January / March 2011
A new species of Pimelodus La Cépède, 1803 (Siluriformes: Pimelodidae) from rio Ribeira de Iguape basin, Brazil
Frank Raynner V. Ribeiro, Carlos Alberto S. de Lucena and Osvaldo T. Oyakawa
A new species of Tetragonopterus Cuvier, 1816 (Characiformes: Characidae: Tetragonopterinae) from the rio Jari, Amapá, northern Brazil
Bruno F. Melo, Ricardo C. Benine, Tatiane C. Mariguela and Claudio Oliveira
A taxonomic and morphological redescription of Potamotrygon falkneri Castex & Maciel, 1963 (Chondrichthyes: Myliobatiformes: Potamotrygonidae)
João Paulo C. B. da Silva and Marcelo R. de Carvalho
Chromosomal analyses in Megalonema platanum (Siluriformes: Pimelodidae), an endangered species from South American rivers
Rafael Augusto de Carvalho, Sebástian Sanchez, Ana Claudia Swarça, Alberto Sergio Fenocchio, Isabel C. Martins-Santos and Ana Lúcia Dias
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
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
Habitat simplification affects nuclear-follower foraging association among stream fishes
Fabrício Barreto Teresa, Renato de Mei Romero, Lilian Casatti and José Sabino
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
Intertidal life: field observations on the clingfish Gobiesox barbatulus in southeastern Brazil
Tiago H. S. Pires and Fernando Z. Gibran
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
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 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
Microlepidogaster dimorpha, a new species of Hypoptopomatinae (Siluriformes: Loricariidae) from the upper rio Paraná system
Fernanda de Oliveira Martins and Francisco Langeani
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
Rhinolekos, a new genus with three new species of Hypoptopomatinae (Siluriformes: Loricariidae) from upper rio Paraná
Fernanda de Oliveira Martins and Francisco Langeani
Spatio-temporal segregation and size distribution of fish assemblages as related to non-native species occurrence in the middle rio Doce Valley, MG, Brazil
Henrique Corrêa Giacomini, Dilermando Pereira Lima Jr., Anderson Oliveira Latini and Helder Mateus Viana Espírito-Santo
Survival, growth and metabolic parameters of silver catfish, Rhamdia quelen, juveniles exposed to different waterborne nitrite levels
Ronaldo L. de Lima, Neiva Braun, Daiani Kochhann, Rafael Lazzari, João Radünz Neto, Bibiana S. Moraes, Vania L. Loro and Bernardo Baldisserotto
Taxonomic review of Hisonotus Eigenmann & Eigenmann (Siluriformes: Loricariidae: Hypoptopomatinae) from the laguna dos Patos system, southern Brazil
Tiago Pinto Carvalho and Roberto E. Reis
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
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
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
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