23(2)

A new striped Osteogaster (Siluriformes: Callichthyidae) from the Madeira and Tapajós river basins, Brazil, with a new generic diagnosis and an identification key to the species of Osteogaster

Luiz Fernando Caserta Tencatt, Vandergleison de Carvalho, Hugmar Pains da Silva and Marcelo Ribeiro de Britto

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A new striped Osteogaster (Siluriformes: Callichthyidae) from the Madeira and Tapajós river basins, Brazil, with a new generic diagnosis and an identification key to the species of Osteogaster Read More »

Changes or disappearance of the Atlantic goliath grouper Epinephelus itajara (Perciformes: Epinephelidae) spawning aggregation sites in southern Brazil

Leonardo Schlogel Bueno, Matheus Oliveira Freitas, Áthila Andrade Bertoncini, Christopher Carl Koenig, Johnatas Adelir-Alves, Jonas Rodrigues Leite, Felipe Alexandre de Lisboa Miranda Daros and Maurício Hostim-Silva

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Changes or disappearance of the Atlantic goliath grouper Epinephelus itajara (Perciformes: Epinephelidae) spawning aggregation sites in southern Brazil Read More »

Polymorphism of 5S and 18S ribosomal DNA in a conserved karyotype of the two Hypostomus strigaticeps (Siluriformes: Loricariidae) populations from the upper Paraná River basin

Lígia Carla Balini, Rafael Fernando de Melo, Ana Luiza de Brito Portela-Castro, Cláudio Henrique Zawadzki, Marcos Otávio Ribeiro, Carlos Alexandre Fernandes and Luciana Andreia Borin-Carvalho

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Polymorphism of 5S and 18S ribosomal DNA in a conserved karyotype of the two Hypostomus strigaticeps (Siluriformes: Loricariidae) populations from the upper Paraná River basin Read More »

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