v. 22, n. 2,

April / June 2024

Redescription of Hyphessobrycon cachimbensis (Characiformes: Characidae) with the description of a new congener from the Serra do Cachimbo, Brazil

Manoela Maria Ferreira Marinho and Fernando Cesar Paiva Dagosta

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Seeking for gaps in taxonomic descriptions of endemic fishes: a pathway to challenge the Linnean shortfall in a Neotropical basin

Gleiciane Santos Reis, Francisco Leonardo Tejerina-Garro, Fernando Cesar Paiva Dagosta, Fabricio Barreto Teresa and Rodrigo Assis de Carvalho

PDF: EN XML: EN | Supplementary: S1

Fish assemblage structure related to habitat heterogeneity in rocky reefs in the Mexican Pacific coast

Luis H. Escalera-Vázquez, Francisco Martínez-Servín and Daniel Arceo-Carranza

PDF: EN XML: EN | Supplementary: S1 S2

Cytogenetic profiles of two circumglobal snake mackerel species (Scombriformes: Gempylidae) from deep waters of the São Pedro and São Paulo Archipelago

Glaicon de Sousa Santos, Gideão Wagner Werneck Félix da Costa, Marcelo de Bello Cioffi, Luiz Antonio Carlos Bertollo, Karlla Danielle Jorge Amorim, Rodrigo Xavier Soares and Wagner Franco Molina

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Microplastics contamination in fish, water, and sediment surrounding Ubatuba beaches, Southeastern Brazil

Esteban Jorcin Nogueira, Erminio Fernandes, Marcos Gomes Nogueira, Mauricio Cetra and George Mendes Taliaferro Mattox

PDF: EN XML: EN | Supplementary: S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15

Integrative taxonomy of the black-barred disk pacus (Characiformes: Serrasalmidae), including the redescription of Myloplus schomburgkii and the description of two new species

Valéria N. Machado, Victória D. Pereira, Rafaela P. Ota, Rupert A. Collins, Marcelo Ândrade, James R. Garcia-Ayala, Michel Jégu, Izeni P. Farias and Tomas Hrbek

PDF: EN XML: EN | Supplementary: S1 S2 S3

Redescription of Austrolebias accorsii (Cyprinodontiformes: Rivulidae) and description of a new species of the genus from the upper Paraguay River basin

Heinz Arno Drawert and Carlos Ergueta

PDF: EN XML: EN | Supplementary: S1 S2 S3

A new species of Aequidens (Cichliformes: Cichlidae) from the rio Paraguai basin, Brazil

Rianne Caroline de Oliveira, Luiz Fernando Caserta Tencatt, Gabriel de Carvalho Deprá, Ricardo Britzke, Claudio Oliveira and Weferson Júnio da Graça

PDF: EN XML: EN | Supplementary: S1 S2 S3 S4 S5

Trophic ecology of the demersal predator Brazilian flathead Percophis brasiliensis (Percophidae) in a coastal upwelling ecosystem, SW Atlantic

Arthur de Barros Bauer and Luciano Gomes Fischer

PDF: EN XML: EN | Supplementary: S1 S2 S3

Glycolytic modulations and antioxidant capacity in Amazonian fish, Bryconops giacopinii (Characiformes: Iguanodectidae), living at high temperature

Derek Felipe de Campos, Susana Braz Mota, Vera Maria Fonseca de Almeida-Val and Adalberto Luis Val

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A new masked Corydoras (Siluriformes: Callichthyidae) from the Itaya and Nanay river basins, Peruvian Amazon

Luiz Fernando Caserta Tencatt, Morgan Ruiz-Tafur and Junior Chuctaya

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Responses of trophic fish guilds upstream and downstream of the Balbina dam, Central Amazon, Northern Brazil

Gilvan da Silva Costa, Bianca Weiss and Maria Teresa Fernandez Piedade

PDF: EN XML: EN | Supplementary: S1 S2 S3 S4

Are the chromosomal fusions that shaped the karyotype of Tetranematichthys wallacei (Siluriformes: Auchenipteridae) a shared feature among Ageneiosini species?

Cleisson de Cristo Casarotto, Chrystian Aparecido Grillo Haerter, Diana Paula Perin, Letícia Marchiotti de Jesus, Gabrielle Jovana Antoniazzi, Daniel Rodrigues Blanco, Fernando Rodrigo Treco, Vladimir Pavan Margarido, Josiane Baccarin Traldi and Roberto Laridondo Lui

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Taxonomy of Triportheus (Ostariophysi: Triportheidae) from the Paraná-Paraguai basin, South America

Douglas Alves Lopes and Fernando Rogério Carvalho

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Relationship between seminal plasma composition and sperm quality parameters of the catfish Pseudoplatystoma reticulatum

Malbelys Padilla Sanchez, Laís Pedroso Borges, Stella Indira Rocha Lobato, Laicia Carneiro-Leite, Rodrigo Yutaka Dichoff Kasai, Cristiéle da Silva Ribeiro, Rosicleire Veríssimo-Silveira and Alexandre Ninhaus-Silveira

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Allozyme and cytogenetic analysis in two species of Hypostomus (Siluriformes: Loricariidae) from the Paraguai River basin, Brazil: occurrence of B microchromosome and intrapopulation heterochromatic polymorphism in H. boulengeri

Suzana de Paiva, Fernanda Errero Porto, Flávio José Codognotto, Carlos Alexandre Fernandes, Margarida Maria Vieira Rossi, Luciana Andreia Borin-Carvalho, Ana Luiza de Brito Portela-Castro, Cláudio Henrique Zawadzki, Erasmo Renesto and Isabel Cristina Martins-Santos

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Do longsnout seahorses Hippocampus reidi (Syngnathiformes: Syngnathidae) have a holdfast preference?

Tatiane do Carmo Fernández, Natalie Villar Freret-Meurer, Ana Clara Sampaio Franco, Áthila Andrade Bertoncini and Luciano Neves dos Santos

PDF: EN XML: EN | Supplementary: S1 S2 S3 S4 S5

A new species of the tridentine Rhinotridens from the Amazon basin (Siluriformes: Trichomycteridae)

Mário de Pinna, Vinícius Reis, Murilo N. L. Pastana and Aléssio Datovo

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