v. 19, n. 2,

April / June 2021

Cytomolecular investigations using repetitive DNA probes contribute to the identification and characterization of Characidium sp. aff. C. vidali (Teleostei: Characiformes)

Maria Lígia Marques de Oliveira, Fabilene Gomes Paim, Érica Alves Serrano de Freitas, Claudio Oliveira and Fausto Foresti

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Organization of the cephalic lateral-line canals in Electrophorus varii de Santana, Wosiacki, Crampton, Sabaj, Dillman, Mendes-Júnior & Castro e Castro, 2019 (Gymnotiformes: Gymnotidae)

Gabriel Verçoza, Akemi Shibuya, Douglas A. Bastos, Jansen Zuanon and Lúcia H. Rapp Py-Daniel

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

Two new species of freshwater stingrays of the genus Paratrygon (Chondrichthyes: Potamotrygonidae) from the Orinoco basin, with comments on the taxonomy of Paratrygon aiereba

Thiago Silva Loboda, Carlos A. Lasso, Ricardo de Souza Rosa and Marcelo Rodrigues de Carvalho

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

Deep-sea anglerfishes (Lophiiformes: Ceratioidei) from off northeastern Brazil, with remarks on the ceratioids reported from the Brazilian Exclusive Economic Zone

Michael Maia Mincarone, Gabriel Vinícius Felix Afonso, Fabio Di Dario, Leandro Nolé Eduardo, Thierry Frédou, Flávia Lucena-Frédou, Arnaud Bertrand and Theodore Wells Pietsch

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Integrative taxonomy reveals disjunct distribution and first record of Hoplias misionera (Characiformes: Erythrinidae) in the Amazon River basin: morphological, DNA barcoding and cytogenetic considerations

Karen L. A. Guimarães, Juan J. Rosso, Mendelsohn F. B. Souza, Juan M. Díaz de Astarloa and Luís R. R. Rodrigues

PDF: EN XML: EN | Supplementary: S1

Age and growth of Pseudoplatystoma corruscans (Siluriformes: Pimelodidae) at the confluence of the Paraná and Paraguay rivers

Leandro Balboni, Facundo Vargas and Darío Colautti

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A new species of Moenkhausia (Characiformes: Characidae) from the rio Madeira basin, Brazil, with comments on the evolution and development of the trunk lateral line system in characids

Manoela Maria Ferreira Marinho, Willian Massaharu Ohara and Fernando Cesar Paiva Dagosta

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Evidence on the paleodrainage connectivity during Pleistocene: Phylogeography of a hypoptopomatine endemic to southeastern Brazilian coastal drainages

Nathália Luiz Pio and Tiago P. Carvalho

PDF: EN XML: EN | Supplementary: S 1, S2, S3, S4

The distribution of Cteniloricaria (Siluriformes: Loricariidae): known and new records in Brazil suggest headwater captures as drivers of disjoint distribution

Alejandro Londoño-Burbano, Marina Barreira Mendonça and Roberto E. Reis

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A new species of Characidium (Characiformes: Crenuchidae) from the Chapada dos Veadeiros, Goiás, Brazil

Marcelo R. S. Melo, Bárbara B. Bouquerel, Flávia T. Masumoto, Rayane S. França and André L. Netto-Ferreira

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Molecular cytogenetics insights in two pelagic big-game fishes in the Atlantic, the tarpon, Megalops atlanticus(Elopiformes: Megalopidae), and the sailfish, Istiophorus platypterus (Istiophoriformes: Istiophoridae)

Rodrigo Xavier Soares, Gideão Wagner Werneck Félix da Costa, Marcelo de Bello Cioffi, Luiz Antonio Carlos Bertollo, Clóvis Coutinho da Motta-Neto and Wagner Franco Molina

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Redescription of the Rio skate Rioraja agassizii (Rajiformes: Arhynchobatidae) with notes on internal anatomy and intraspecific variation

Karla D. A. Soares, Renan A. Moreira and Ulisses L. Gomes

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Anthropogenic river fragmentation reduces long-term viability of the migratory fish Salminus brasiliensis (Characiformes: Bryconidae) populations

Josiane Ribolli, Evoy Zaniboni-Filho, Carolina Barros Machado, Tailise Carolina de Souza Guerreiro, Patrícia Domingues de Freitas and Pedro Manoel Galetti Jr

PDF: EN XML: EN | Supplementary: S1

Genetic diversity in two threatened species of guitarfish (Elasmobranchii: Rhinobatidae) from the Brazilian and Argentinian coasts: an alert for conservation

Vanessa P. Cruz, Aisni M.C. L. Adachi, Pablo H. Oliveira, Giovana S. Ribeiro, Fabilene G. Paim, Bruno C. Souza, Alexandre S.F. Rodrigues, Marcelo Vianna, Sergio M. Delpiani, Juan Martín Díaz de Astarloa, Matheus M. Rotundo, Fernando F. Mendonça, Claudio Oliveira, Rosangela P. Lessa and Fausto Foresti

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

Molecular identification of Brachygenys and Haemulon species (Perciformes: Haemulidae) from the Brazilian coast

Najila Nolie Catarine Dantas Cerqueira, Matheus Marcos Rotundo, Alexandre Pires Marceniuk, Vanessa Paes da Cruz, Fausto Foresti and Claudio Oliveira

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

Radiotagging a long-distance migratory characid fish: reproduction after surgery, tag losses, and effects in weight

Alexandre Peressin, João de Magalhães Lopes, Alessandra Gomes Bedore, Carlos Bernardo Mascarenhas Alves, Ivo Gavião Prado and Paulo Santos Pompeu

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Morphological divergences as drivers of diet segregation between two sympatric species of Serrapinnus (Characidae: Cheirodontinae) in macrophyte stands in a neotropical floodplain lake

Bruna Caroline Kotz Kliemann, Eliana Maria Galdioli, Andréa Bialetzki and Rosilene Luciana Delariva

PDF: EN XML: EN | Supplementary: S1

A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil

George Mendes Taliaferro Mattox, Camila da Silva de Souza, Mônica Toledo-Piza and Claudio Oliveira

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

Reproductive biology of seven fish species of commercial interest at the Ramsar site in the Baixada Maranhense, Legal Amazon, Brazil

Irayana Fernanda da Silva Carvalho, Lorrane Gabrielle Cantanhêde, Ana Luiza Caldas Diniz, Raimunda Nonata Fortes Carvalho-Neta and Zafira da Silva de Almeida

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

Hypostomus hermanni redescription and a new species of Hypostomus (Siluriformes: Loricariidae) from Upper Paraná River basin, Brazil

Angelica Corrêa Dias and Cláudio Henrique Zawadzki

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Diversity of Loricariidae (Actinopterygii: Siluriformes) assemblages in two Conservation Areas of the Middle Xingu River, Brazilian Amazon, and their suitability for sustainable ornamental fisheries

Maria Dayanne Lima de Lucena, Tatiana da Silva Pereira, Alany Pedrosa Gonçalves, Karina Dias Silva and Leandro Melo de Sousa

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ERRATA – Radiotagging a long-distance migratory Characiform fish: reproduction after surgery, tag losses, and effects in weight

PDF: EN