Results 81 to 90 of about 842 (172)

Integrating Genomic and Chromosomal Data: A Cytogenetic Study of Transancistrus santarosensis (Loricariidae: Hypostominae) with Characterization of a ZZ/ZW Sex Chromosome System. [PDF]

Genes (Basel), 2023
Nirchio Tursellino M, de Bello Cioffi M, de Menezes Cavalcante Sassi F, Deon GA, Oliveira C, Kuranaka M, Valdiviezo-Rivera J, Gonzalez VH, Rossi AR.   +8 more
europepmc   +1 more source

Effects of the spermatozoa: oocyte ratio, water volume and water temperature on artificial fertilization and sperm activation of cascudo-preto

Revista Brasileira de Zootecnia, 2013
The objective of this study was to evaluate the effects of water volume and water temperature on the sperm motility duration and the number of spermatozoa, and the water volume on the fertilization rates of oocytes of Rhinelepis aspera.
Robie Allan Bombardelli, Eduardo Antônio Sanches, Diego Mendes Baggio, Renata Marino Sykora, Bruno Estevão de Souza, Lucélia Tessaro, Pitágoras Augusto Piana   +6 more
doaj  

Trophic ecomorphology of Siluriformes (Pisces, Osteichthyes) from a tropical stream

Brazilian Journal of Biology
The present study analysed the relationship between morphology and trophic structure of Siluriformes (Pisces, Osteichthyes) from the Caracu Stream (22º 45' S and 53º 15' W), a tributary of the Paraná River (Brazil).
JPA Pagotto, E Goulart, EF Oliveira, CB Yamamura   +3 more
doaj   +1 more source

Mechanisms of Karyotypic Diversification in Ancistrus (Siluriformes, Loricariidae): Inferences from Repetitive Sequence Analysis. [PDF]

Int J Mol Sci, 2023
Santos da Silva K, Glugoski L, Vicari MR, de Souza ACP, Akama A, Pieczarka JC, Nagamachi CY.   +6 more
europepmc   +1 more source

Estudo dos vestígios de peixes dos sítios arqueológicos da área de influência da Usina Hidrelétrica Machadinho, Rio Grande do Sul, Brasil A study of fish traces taken from the archaeological sites of the areas surrounding the Machadinho Hydroelectric power station, Rio Grande do Sul, Brazil

Zoologia (Curitiba), 2009
The analysis of the material obtained in the rescue of archaeological sites in the area surrounding the Hydroelectric Plant of Machadinho, Rio Grande do Sul, revealed that a considerable amount of bones and fish scales incorporated in the alimentary ...
Cláudio Ricken, Luiz Roberto Malabarba
doaj  

New and previously known ectoparasitic monogenoids (Platyhelminthes) on native and non-native fishes from tributaries of the Usumacinta River basin (southern Mexico), a Neotropical transition zone. [PDF]

Int J Parasitol Parasites Wildl, 2023
Mendoza-Franco EF, Hernández-Gómez RE, Caspeta-Mandujano JM.   +2 more
europepmc   +1 more source

A new species of sexually dimorphic Pareiorhaphis Miranda Ribeiro, 1918 (Siluriformes: Loricariidae) from the rio Doce basin, Brazil

Neotropical Ichthyology
Pareiorhaphis nasuta, a new neoplecostomine catfish of the family Loricariidae is described. The species was collected from headwaters of the rio Matipó, tributary of the upper rio Doce basin in State of Minas Gerais, Brazil.
Edson H. L. Pereira, Fábio Vieira, Roberto E. Reis   +2 more
doaj   +1 more source

Turnover of multiple sex chromosomes in Harttia catfish (Siluriformes, Loricariidae): a glimpse from whole chromosome painting. [PDF]

Front Genet, 2023
Sassi FMC, Deon GA, Sember A, Liehr T, Oyakawa OT, Moreira Filho O, Bertollo LAC, Vicari MR, Cioffi MB.   +8 more
europepmc   +1 more source

Occurrence of Sex Chromosomes in Fish of the Genus Ancistrus with a New Description of Multiple Sex Chromosomes in the Ecuadorian Endemic Ancistrus clementinae (Loricariidae). [PDF]

Genes (Basel), 2023
Nirchio M, Oliveira C, de Bello Cioffi M, de Menezes Cavalcante Sassi F, Valdiviezo J, Paim FG, Soares LB, Rossi AR.   +7 more
europepmc   +1 more source

Chromosomal Diversification in Pseudacanthicus Species (Loricariidae, Hypostominae) Revealed by Comparative Mapping of Repetitive Sequences. [PDF]

Animals (Basel), 2022
Santos da Silva K, de Souza ACP, Rodrigues LRR, Pieczarka JC, Nagamachi CY.   +4 more
europepmc   +1 more source