v. 9, n. 2,

April / June 2011

A new genus and two new species of Stevardiinae (Characiformes: Characidae) with a hypothesis on their relationships based on morphological and histological data

Katiane M. Ferreira, Naércio A. Menezes and Irani Quagio-Grassioto

A new species of Austrolebias Costa (Cyprinodontiformes: Rivulidae) from northeastern Uruguay, with comments on distribution patterns

Marcelo Loureiro, Alejandro Duarte and Matías Zarucki

A new species of Otothyropsis (Siluriformes: Loricariidae) from the rio Paraguay basin, Paraguay

Bárbara B. Calegari, Pablo Lehmann A. and Roberto E. Reis

Age and growth of the dog snapper Lutjanus jocu (Bloch & Schneider, 1801) in Abrolhos Bank, Northeastern Brazil

Marília Previero, Carolina V. Minte-Vera, Matheus Oliveira Freitas, Rodrigo Leão de Moura and Claudenice Dei Tos

Biology of growth of Hoplias aff. malabaricus (Bloch, 1794) in a shallow pampean lake (Argentina)

Evidence of the color pattern variation in populations of Gymnotus pantanal (Gymnotiformes) from three streams in the upper Paraná River basin, Brazil

Vitor André Frana, Weferson Júnio da Graça, Éder André Gubiani, Jocicléia Thums Konerat and Vladimir Pavan Margarido

Feeding ecology of Lutjanus analis (Teleostei: Lutjanidae) from Abrolhos Bank, Eastern Brazil

Matheus Oliveira Freitas, Vinícius Abilhoa and Gisleine Hoffmann da Costa e Silva

Identification of distinct evolutionary units in allopatric populations of Hypostomus cf. wuchereri Günther, 1864 (Siluriformes: Loricariidae): karyotypic evidence

Jamille de Araújo Bitencourt, Paulo Roberto Antunes de Mello Affonso, Lucia Giuliano-Caetano and Ana Lucia Dias

Influence of spawning procedure on gametes fertilization success in Salminus hilarii Valenciennes, 1850 (Teleostei: Characidae): Implications for the conservation of this species

Renato M. Honji, Paulo H. Mello, Bruno C. Araújo, Jandyr A. Rodrigues-Filho, Alexandre W. S. Hilsdorf and Renata G. Moreira

Juveniles of the piscivorous dourado Salminus brasiliensis mimic the piraputanga Brycon hilarii as an alternative predation tactic

Eduardo Bessa, Lucélia Nobre Carvalho, José Sabino and Paola Tomazzelli

Larvae occurrences of Rhamdia quelen (Quoy & Gaimard, 1824) (Siluriformes: Heptapteridae) in an area under dam influence in the upper Paraná River region, Brazil

Evelyn B. da Silva, Pablo H. dos Santos Picapedra, Paulo V. Sanches, Renato E. O. de Rezende, Aline M. Gavião, Marcos M. Mendonça, Edilaine D. V. Gonçalves and Rafael Bier Conte

Markiana nigripinnis (Perugia, 1891) as a putative member of the subfamily Stevardiinae (Characiformes: Characidae): spermatic evidence

Clarianna Martins Baicere-Silva, Ricardo C. Benine and Irani Quagio-Grassiotto

New species of Trachycorystes Bleeker, with comments on other species of the genus (Ostariophysi: Siluriformes: Auchenipteridae)

Heraldo A. Britski and Alberto Akama

On the name of the lepidophagous characid fish Roeboexodon guyanensis (Puyo) (Teleostei: Characiformes: Characidae)

Cristiano R. Moreira and Flávio C. T. Lima

Pleistocene karyotypic divergence in Hoplias malabaricus (Bloch, 1794) (Teleostei: Erythrinidae) populations in southeastern Brazil

Uedson Pereira Jacobina, Edson Paiva and Jorge Abdala Dergam

Temporal distribution of ichthyoplankton in the Ivinhema River (Mato Grosso do Sul State/ Brazil): Influence of environmental variables

David Augusto Reynalte-Tataje, Keshiyu Nakatani, Rodrigo Fernandes, Angelo Antônio Agostinho and Andréa Bialetzki