v. 24, n. 1,
January / March 2026
Cytogenetic and COI-based analyses support a polytypic status of Astrodoras (Doradidae: Siluriformes)
Fábio Hiroshi Takagui, Patrik Viana, Chrystian Aparecido Grillo Haerter, Jamille de Araújo Bitencourt, José Luís Olivan Birindelli, Roberto Laridondo Lui, Vladimir Pavan Margarido, Fernanda Simões Almeida, Lucia Giuliano-Caetano, Eliana Feldberg and Jorge Ivan Rebelo Porto
Gonadal development and reproductive traits of pacific flat sleeper Dormitator latifrons (Gobiiformes: Eleotridae): insights for sustainable management in Ecuador
Yanis Cruz-Quintana, Ana María Santana-Piñeros, Byron Manuel Reyes-Mero, Leonela Griselda Muñoz-Chumo, Juan Carlos Vélez-Chica, Carles Alcaraz and Neil Duncan
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Differences in sagittal otoliths between two morid species: insights into the genus Physiculus (Moridae: Gadiformes)
César Santificetur, Pollyana Christine Gomes Roque, Sara de Castro Loebens, Alessandra Maria Advíncula Pires, Danielle de Lima Viana and Paulo Guilherme Vasconcelos de Oliveira
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Mitochondrial genetic variation of endemic stingray Potamotrygon magdalenae (Myliobatiformes: Potamotrygonidae) in the middle Magdalena River basin, Colombia
Carlos Arturo Amado-García, Iván Yesid López-Ardila and Fernando Rondón-González
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Diversity and abundance patterns of fish fauna in cascade reservoirs in the Brazilian semiarid tropical region
Jean Carlos Dantas de Oliveira, Jônnata Fernandes de Oliveira, Alexandre de Oliveira Marques, Danielle Peretti, Rodrigo S. da Costa Goldbaum and José Luís Costa Novaes
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Reduced fluoxetine-induced cyto- and genotoxicity in yellowtail tetra fish Astyanax altiparanae (Characiformes: Acestrorhamphidae) after treatment through a constructed wetlands system
Josiane Rodrigues Rocha da Silva, Camila Oliveira de Andrade, Patrícia Daniele Silva dos Santos, Oscar Oliveira Santos, Roney Peterson Pereira and Carlos Alexandre Fernandes
PDF: Download Here | Supplementary: S1
Development of the caudal fin and supporting skeleton in Lophiosilurus alexandri (Siluriformes: Pseudopimelodidae) and insights into its evolution in the family
Fernando M. Assega, Alexander Claro-García, José L. O. Birindelli and Oscar A. Shibatta
PDF: Download Here | Supplementary: S1
A new Hemigrammus (Characiformes: Acestrorhamphidae) from the rio Cuiabazinho drainages, upper rio Paraguai basin
Katiane Mara Ferreira, Alexandre Cunha Ribeiro and Fernando Rogério Carvalho
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A new endemic genus of glass knifefish (Gymnotiformes: Sternopygidae) for the rare species Distocyclus guchereauae from the Maroni basin
Kevin T. Torgersen, Jessé M. Figueiredo-Filho, Eric B. Haddad, Patricia Torres-Pineda, Hernán López-Fernández and James S. Albert
PDF: Download Here | Supplementary: S1 S2 S3
Integrative taxonomy reveals a remarkably colored species of Characidium (Characiformes: Crenuchidae) from the upper rio Paraná basin, Brazil
Pedro L. C. Uzeda, Bruno H. M. Stabile, Renan B. dos Reis, Luana J. Sartori, Carla S. Pavanelli, Vladimir P. Margarido and Weferson J. da Graça
PDF: Download Here | Supplementary: S1
High fish richness associated with the southernmost Atlantic coral reef and adjacencies: comments on conservation and management for sustainable use
Ana Clara S. Athayde, Fernanda A. Rolim, Otto B. F. Gadig, Caio R. Pimentel, Rafael R. Munhoz, Maisha Gragnolati, Fernando Z. Gibran, Leonardo M. Neves, Domingos Garrone-Neto, Gabriel R. S. Souza, Luiza D. Chelotti, Guilherme H. Pereira‑Filho and Fábio S. Motta
PDF: Download Here | Supplementary: S1 S2
After eight decades: a new species of Pterobunocephalus (Siluriformes: Aspredinidae) from the upper Putumayo, Napo and Pastaza rivers, Ecuador
Jefferson Luan Crispim, Pablo Argüello, Gabriel de Souza da Costa e Silva, Claudio Oliveira, Kyle R. Luckenbill and Mark H. Sabaj
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Reproductive biology of the spotfin hatchetfish Thoracocharax stellatus (Characiformes: Gasteropelecidae) in the Western Amazon
Marcelle Fernanda de Oliveira Barbosa, Raquel Santos dos Santos, Felipe Fernando Silva Siqueira, Eduardo Silva do Nascimento Albuquerque, Natalia Rodrigues da Silva, Sara Ferreira Pedrosa, Paulo de Souza Jesus, Otávio Antunes Lacerda, Marcelo Ândrade, Maria Auxiliadora Pantoja Ferreira, Caio Maximino and Diógenes Henrique Siqueira-Silva
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One species, two basins: a new Hyphessobrycon (Characiformes: Acestrorhamphidae) from the upper rio Juruena and rio Guaporé basins, Mato Grosso, Brazil
Fernando Cesar Paiva Dagosta, Willian Massaharu Ohara and Thomaz Jefrey Seren
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Environmental factors drive trophic dynamics but not niche overlap of sympatric Lebiasinidae fishes in Amazonian streams
Francisco de Paulo Tavares Ribeiro, Bruno da Silveira Prudente and Tiago Magalhães da Silva Freitas
PDF: Download Here | Supplementary: S1