Species tot sunt diversae quot diversas formas ab initio creavitiv — A dialogue on species by Mário de Pinna

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Redescription of Ochmacanthus batrachostoma (Miranda-Ribeiro, 1912) (Siluriformes: Trichomycteridae): a possible case of incipient paedomorphism by Caio S. Neto, Mário de Pinna

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Trichomycterus igobi, a new catfish species from the rio Iguaçu drainage: the largest head in Trichomycteridae (Siluriformes: Trichomycteridae) by Wolmar B. Wosiacki, Mário de Pinna

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New data on cistern catfish, Phreatobius cisternarum, from subterranean waters at the mouth of the Amazon River (Siluriformes, Incertae Sedis) by Janice Muriel-Cunha, Mário de Pinna

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Bloch's fish collection in the Museum für Naturkunde der Humboldt Universität zu Berlin: an illustrated catalog and historical account by Mônica Toledo Piza-Ragazzo, Mário de Pinna

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A taxonomic review of the vampire catfish genus Paracanthopoma Giltay, 1935 (Siluriformes, Trichomycteridae), with descriptions of nine new species and a revised diagnosis of the g... by Mário de Pinna, Fernando Cesar Paiva Dagosta

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A new species of Copionodon lacking a free orbital rim (Siluriformes: Trichomycteridae) by Mario de Pinna, Rafael Burger, Angela Maria Zanata

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A new species of Copionodon representing a relictual occurrence of the Copionodontinae (Siluriformes: Trichomycteridae), with a CT-scan imaging survey of key subfamilial features by Mario de Pinna, Vitor Abrahão, Vinicius Reis, Angela Zanata

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Assessing extinction risk from geographic distribution data in Neotropical freshwater fishes by Victor A. Tagliacollo, Fernando Cesar Paiva Dagosta, Mário de Pinna, Roberto E. Reis, James S. Albert

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Fishes of the upper rio Paraná basin: diversity, biogeography and conservation by Fernando Cesar Paiva Dagosta, Maristela Sayure Monção, Bárbara Akemi Nagamatsu, Carla S. Pavanelli, Fernando R. Carvalho, Flávio C. T. Lima, Francisco Langeani, Guilherme Moreira Dutra, Renata Rubia Ota, Thomaz Jefrey Seren, Victor Tagliacollo, Naércio Aquino Menezes, Heraldo A. Britski, Mário de Pinna

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Brazilian legislation on genetic heritage harms Biodiversity Convention goals and threatens basic biology research and education by RUY JOSÉ V. ALVES, MARCELO WEKSLER, JOÃO A. OLIVEIRA, PAULO A. BUCKUP, JOSÉ P. POMBAL JR., HÉLCIO R.G. SANTANA, ADRIANO LÚCIO PERACCHI, ALEXANDER W.A. KELLNER, ALEXANDRE ALEIXO, ALFREDO LANGGUTH, ALZIRA MARIA P. DE ALMEIDA, ANA LUISA ALBERNAZ, CAMILA C. RIBAS, CARLA ZILBERBERG, CARLOS EDUARDO V. GRELLE, CARLOS F.D. ROCHA, CARLOS JOSÉ E. LAMAS, CÉLIO F.B. HADDAD, CIBELE R. BONVICINO, CYNTHIA P.A. PRADO, DANIELA O. DE LIMA, DENISE C. ROSSA-FERES, FABRÍCIO R. DOS SANTOS, FÁTIMA REGINA G. SALIMENA, FERNANDO A. PERINI, FLÁVIO A. BOCKMANN, FRANCISCO LUÍS FRANCO, GISELE M.L. DEL GIUDICE, GUARINO R. COLLI, IMA CÉLIA G. VIEIRA, JADER MARINHO-FILHO, JANE M.C.F. WERNECK, JORGE A.D. DOS SANTOS, JORGE LUIZ DO NASCIMENTO, JORGE LUIZ NESSIMIAN, JOSÉ LUIS P. CORDEIRO, KLEBER DEL CLARO, LEANDRO O. SALLES, LILIAN CASATTI, LUCIA HELENA R. PY-DANIEL, LUÍS FÁBIO SILVEIRA, LUÍS FELIPE TOLEDO, LUIZ F. DE OLIVEIRA, LUIZ ROBERTO MALABARBA, MARCELO D. DA SILVA, MÁRCIA S. COURI, MÁRCIO MARTINS, MARCOS D.S. TAVARES, MARCOS EDUARDO G. SOBRAL, MARCUS VINÍCIUS VIEIRA, MARIA DE LOURDES A. OLIVEIRA, MÁRIO DE PINNA, MICHAEL J.G. HOPKINS, MIRCO SOLÉ, NAÉRCIO A. MENEZES, PAULO PASSOS, PAULO SERGIO D’ANDREA, PEDRO C.E.A. PINTO, PEDRO L. VIANA, PETER M. TOLEDO, ROBERTO E. REIS, ROBERTO VILELA, ROGÉRIO P. BASTOS, ROSANE G. COLLEVATTI, RUI CERQUEIRA, SANTIAGO CASTROVIEJO-FISHER, ULISSES CARAMASCHI

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