v. 15, n. 2,

April / June 2017

A new genus of Neotropical rheophilic catfishes, with four new species (Teleostei: Siluriformes: Pseudopimelodidae)

Oscar Akio Shibatta and Richard P. Vari

A new species of armored catfish Parotocinclus (Siluriformes: Loricariidae) from the rio Parnaíba basin, northeastern, Brazil

Telton P. A. Ramos, Sergio M. Q. Lima and Robson T. da Costa Ramos

A new species of Astyanax (Ostariophysi: Characidae) from the headwaters of the arheic Río Sucuma, Catamarca, Northwestern Argentina

Guillermo E. Terán, Cristina I. Butí and J. Marcos Mirande

Conspecific and heterospecific alarm substances induce behavioral responses in juvenile catfish Rhamdia quelen

Carina Vogel, Paula D. Weber, Carla Lang and Bernardo Baldisserotto

Cytogenetics of Gymnogeophagus setequedas (Cichlidae: Geophaginae), with comments on its geographical distribution

Leonardo M. Paiz, Lucas Baumgärtner, Weferson J. da Graça, Vladimir P. Margarido and Carla S. Pavanelli

Effects of delayed first feeding on growth of the silver catfish larvae Rhamdia voulezi (Siluriformes: Heptapteridae)

Ariane F. de Lima, Fernanda F. Andrade, Suelen Fernanda R. Pini, Sergio Makrakis and Maristela C. Makrakis

Feeding ecology of elasmobranch species in southeastern Brazil

Alessandra F. Viana, Jean L. Valentin and Marcelo Vianna

Feeding ecology of two sympatric species of large-sized groupers (Perciformes: Epinephelidae) on Southwestern Atlantic coralline reefs

Matheus O. Freitas, Vinicius Abilhoa, Henry L. Spach, Carolina V. Minte-Vera, Ronaldo B. Francini-Filho, Les Kaufman and Rodrigo L. Moura

Fish passages in South America: an overview of studied facilities and research effort

Nibelle A. Lira, Paulo S. Pompeu, Carlos S. Agostinho, Angelo A. Agostinho, Marlene Sofia Arcifa and Fernando M. Pelicice

Fish population responses to hydrological variation in a seasonal wetland in southeast México

Luis H. Escalera-Vázquez, Nancy Calderón-Cortés and Luis Zambrano-González

Individual, spatial and inter-sex variation in somatic growth: a study of Piaractus mesopotamicus (Characiformes: Serrasalmidae), a long-distance freshwater Neotropical migratory fish

Luzia da S. Lourenço, Rosa Maria R. da Costa, Patrícia L. Rondon and Lúcia A. F. Mateus

Is coexistence between non-native and native Erythrinidae species mediated by niche differentiation or environmental filtering? A case study in the upper Paraná River floodplain

Larissa S. Pereira, Fábio T. Mise, Luiz F. C. Tencatt, Matheus T. Baumgartner and Angelo A. Agostinho

Redescription of Hypostomus johnii, a senior synonym of Hypostomus eptingi (Siluriformes: Loricariidae), Northeastern Brazil

Telton Pedro Anselmo Ramos, Claudio Henrique Zawadzki, Robson Tamar da Costa Ramos and Heraldo Antônio Britski

Reproductive biology of the cockfish, Callorhinchus callorynchus (Chondrichthyes: Callorhinchidae), in coastal waters of the northern Argentinean Sea

Melisa A. Chierichetti, Lorena B. Scenna, Edgardo E. Di Giácomo, Paola M. Ondarza, Daniel E. Figueroa and Karina S. B. Miglioranza

Reproductive potential of Pagrus pagrus (Perciformes: Sparidae) in coastal waters of Buenos Aires Province (Argentina) and Uruguay (34º-39ºS)

María I. Militelli, Sofía López, Karina A. Rodrigues, Sebastián García and Gustavo J. Macchi

Taxonomic revision of the deep channel electric fish genus Sternarchella (Teleostei: Gymnotiformes: Apteronotidae), with descriptions of two new species

Kory M. Evans, William G. R. Crampton, James S. Albert

The role of Lithodoras dorsalis (Siluriformes: Doradidae) as seed disperser in Eastern Amazon

Thiago A. P. Barbosa and Luciano F. A. Montag