9(1) – Página: 2 – Neotropical Ichthyology

Karyotype variability in neotropical catfishes of the family Pimelodidae (Teleostei: Siluriformes)

Américo Moraes Neto, Maelin da Silva, Daniele Aparecida Matoso, Marcelo Ricardo Vicari, Mara Cristina de Almeida, Maria João Collares-Pereira, and Roberto Ferreira Artoni

Karyotype variability in neotropical catfishes of the family Pimelodidae (Teleostei: Siluriformes) Read More »

Karyotype description and evidence of multiple sex chromosome system X1X1X2X2/X1X2Y in Potamotrygon aff. motoro and P. falkneri (Chondrichthyes: Potamotrygonidae) in the upper Paraná River basin, Brazil

Vanessa Paes da Cruz, Cristiane Kioko Shimabukuro-Dias, Claudio Oliveira and Fausto Foresti

Karyotype description and evidence of multiple sex chromosome system X1X1X2X2/X1X2Y in Potamotrygon aff. motoro and P. falkneri (Chondrichthyes: Potamotrygonidae) in the upper Paraná River basin, Brazil Read More »

Karyotype characterization of Mugil incilis Hancock, 1830 (Mugiliformes: Mugilidae), including a description of an unusual co-localization of major and minor ribosomal genes in the family

Anne Kathrin Hett, Mauro Nirchio, Claudio Oliveira, Zoila Raquel Siccha, Anna Rita Rossi and Luciana Sola

Karyotype characterization of Mugil incilis Hancock, 1830 (Mugiliformes: Mugilidae), including a description of an unusual co-localization of major and minor ribosomal genes in the family Read More »

Intertidal life: field observations on the clingfish Gobiesox barbatulus in southeastern Brazil

Tiago H. S. Pires and Fernando Z. Gibran

Intertidal life: field observations on the clingfish Gobiesox barbatulus in southeastern Brazil Read More »

The opportunistic feeding and reproduction strategies of the annual fish Cynopoecilus melanotaenia (Cyprinodontiformes: Rivulidae) inhabiting ephemeral habitats on southern Brazil

Cristina da Silva Gonçalves, Ursulla Pereira Souza and Matheus Vieira Volcan

The opportunistic feeding and reproduction strategies of the annual fish Cynopoecilus melanotaenia (Cyprinodontiformes: Rivulidae) inhabiting ephemeral habitats on southern Brazil Read More »

Habitat simplification affects nuclear-follower foraging association among stream fishes

Fabrício Barreto Teresa, Renato de Mei Romero, Lilian Casatti and José Sabino

Habitat simplification affects nuclear-follower foraging association among stream fishes Read More »

Guianacara dacrya, a new species from the rio Branco and Essequibo River drainages of the Guiana Shield (Perciformes: Cichlidae)

Jessica H. Arbour and Hernán López-Fernández

Guianacara dacrya, a new species from the rio Branco and Essequibo River drainages of the Guiana Shield (Perciformes: Cichlidae) Read More »

Diet and feeding strategy of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Mario V. Condini, Elisa Seyboth, João P. Vieira and Alexandre M. Garcia

Diet and feeding strategy of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil Read More »

Chromosomal analyses in Megalonema platanum (Siluriformes: Pimelodidae), an endangered species from South American rivers

Rafael Augusto de Carvalho, Sebástian Sanchez, Ana Claudia Swarça, Alberto Sergio Fenocchio, Isabel C. Martins-Santos and Ana Lúcia Dias

Chromosomal analyses in Megalonema platanum (Siluriformes: Pimelodidae), an endangered species from South American rivers Read More »

A taxonomic and morphological redescription of Potamotrygon falkneri Castex & Maciel, 1963 (Chondrichthyes: Myliobatiformes: Potamotrygonidae)

João Paulo C. B. da Silva and Marcelo R. de Carvalho

A taxonomic and morphological redescription of Potamotrygon falkneri Castex & Maciel, 1963 (Chondrichthyes: Myliobatiformes: Potamotrygonidae) Read More »