Revision of the Neotropical trahiras of the Hoplias lacerdae species-group (Ostariophysi: Characiformes: Erythrinidae) with descriptions of two new species by Osvaldo T. Oyakawa, George M. T. Mattox

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Isbrueckerichthys epakmos, a new species of loricariid catfish from the rio Ribeira de Iguape basin, Brazil (Teleostei: Siluriformes) by Edson H. L. Pereira, Osvaldo T. Oyakawa

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Two new species of the catfish genus Trichomycterus (Siluriformes: Trichomycteridae) from the rio Ribeira de Iguape Basin, southeastern Brazil by Wolmar Benjamin Wosiacki, Osvaldo Takeshi Oyakawa

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Harttia absaberi, a new species of loricariid catfish (Siluriformes: Loricariidae: Loricariinae) from the upper rio Paraná basin, Brazil by Osvaldo Takeshi Oyakawa, Ilana Fichberg, Francisco Langeani

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A new species of Characidium Reinhardt, 1867 (Characiformes: Crenuchidae) endemic to the Atlantic Forest in Paraná State, southern Brazil by Marcelo R. S. Melo, Paulo A. Buckup, Osvaldo T. Oyakawa

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Revision of the genus Pseudotocinclus (Siluriformes: Loricariidae: Hypoptopomatinae), with descriptions of two new species by Adriana Kazue Takako, Claudio Oliveira, Osvaldo Takeshi Oyakawa

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Taxonomic study of Hoplias microlepis (Günther, 1864), a trans-Andean species of trahiras (Ostariophysi: Characiformes: Erythrinidae) by George M. T. Mattox, Alessandro G. Bifi, Osvaldo T. Oyakawa

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Lebiasina yepezi, a new Lebiasininae (Characiformes: Lebiasinidae) from the Serra Parima-Tapirapecó mountains by André L. Netto-Ferreira, Osvaldo T. Oyakawa, Jansen Zuanon, José C. Nolasco

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Spintherobolus papilliferus in the rio Ribeira de Iguape basin: implications for the biogeography and conservation of an endangered species (Ostariophysi: Characiformes) by George M. T. Mattox, Mauricio Cetra, Camila S. Souza, Osvaldo T. Oyakawa, Rodrigo M. M. Bento, Claudio Oliveira

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Restricted-range fishes and the conservation of Brazilian freshwaters. by Cristiano Nogueira, Paulo A Buckup, Naercio A Menezes, Osvaldo T Oyakawa, Thais P Kasecker, Mario B Ramos Neto, José Maria C da Silva

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Turnover of multiple sex chromosomes in Harttia catfish (Siluriformes, Loricariidae): a glimpse from whole chromosome painting by Francisco de Menezes Cavalcante Sassi, Geize Aparecida Deon, Alexandr Sember, Thomas Liehr, Osvaldo Takeshi Oyakawa, Orlando Moreira Filho, Luiz Antonio Carlos Bertollo, Marcelo Ricardo Vicari, Marcelo de Bello Cioffi

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Homeology of sex chromosomes in Amazonian Harttia armored catfishes supports the X-fission hypothesis for the X1X2Y sex chromosome system origin by Francisco de Menezes Cavalcante Sassi, Alexandr Sember, Geize Aparecida Deon, Thomas Liehr, Niklas Padutsch, Osvaldo Takeshi Oyakawa, Marcelo Ricardo Vicari, Luiz Antonio Carlos Bertollo, Orlando Moreira-Filho, Marcelo de Bello Cioffi

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Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi) by Mônica Toledo-Piza, Eduardo G. Baena, Fernando C. P. Dagosta, Naércio A. Menezes, Marcelo Ândrade, Ricardo C. Benine, Vinicius A. Bertaco, José Luís O. Birindelli, Gert Boden, Paulo A. Buckup, Priscila Camelier, Fernando R. de Carvalho, Ricardo M. C. Castro, Junior Chuctaya, Eva Decru, Eddy Derijst, Casey B. Dillman, Katiane M. Ferreira, Dimitri G. Merxem, Victor Giovannetti, Alice Hirschmann, Michel Jégu, Fernando C. Jerep, Francisco Langeani, Flávio C. T. Lima, Carlos A. S. Lucena, Zilda Margarete S. Lucena, Luiz R. Malabarba, Maria Cláudia S. L. Malabarba, Manoela M. F. Marinho, Kleber Mathubara, George M. T. Mattox, Bruno F. Melo, Tuur Moelants, Cristiano R. Moreira, Tobias Musschoot, André L. Netto-Ferreira, Rafaela P. Ota, Osvaldo T. Oyakawa, Carla S. Pavanelli, Roberto E. Reis, Osmar Santos, Jane Piton Serra, Gabriel S. C. Silva, Cárlison Silva-Oliveira, Rosana Souza-Lima, Richard P. Vari, Angela M. Zanata

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