Results 101 to 110 of about 7,429 (225)

Lista de los peces de agua dulce de la Argentina. [PDF]

, 1987
Lista de peces de agua dulce restringida a la información básica: los autores de géneros y especies, la fecha de descripción, y las referencias bibliográficas a aquellos trabajos que fundamentan las modificaciones o agregados realizados.
López, Hugo Luis, Menni, Roberto Carlos, Miquelarena, Amalia María   +2 more
core  

Frequency in the supply of Lactobacillus influence its probiotic effect for yellow tail lambari

Ciência Rural, 2018
: The aim of this research was to evaluate the changes in intestinal tract microbiota, hematological parameters and zootechnical indexes of yellowtail lambaris (Astyanax bimaculatus) fed with different probiotic supply frequencies (Lactobacillus spp ...
Adolfo Jatobá, Klayton Natan Moraes, Emanuel Fernandes Rodrigues, Leandro Marcolino Vieira, Marina Oliveira Pereira   +4 more
doaj   +1 more source

Distribuição espaço-temporal do ictioplâncton no Rio do Peixe, sobre influência de pequenas centrais hidrelétricas (Alto Rio Uruguai, Brasil) [PDF]

, 2009
TCC (graduaçãoem Agronomia) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, 2009.Esse estudo visa avaliar a distribuição e ocorrência do ictioplâncton no Rio do Peixe sobre influência de duas Pequenas Centrais Hidrelétricas (PCH´s)
Figueiredo, Gabriela Maria Maimone de
core  

Diversity of Parasites in Two Sympatric Species of Brazilian Tetras (Characiformes: Acestrorhamphidae) in the Caatinga Domain, Northeastern Brazil

Parasitologia
This study investigates the parasitic biodiversity of the fish species Astyanax bimaculatus and Psalidodon fasciatus in a stream located in the Chapada do Araripe Environmental Protection Area (APA), state of Ceará, Brazil, contributing to the ...
Bruno Anderson Fernandes da Silva, Julia Martini Falkenberg, Fábio Hideki Yamada   +2 more
doaj   +1 more source

Effects of insecticide Thiodan® on the morphology and quantification of ovarian follicles in lambaris Astyanax bimaculatus (Linnaeus, 1758) in different treatments

, 2016
Thiodan® is an insecticide which can cause morphological changes in fish tissues, dependent on the concentration. To investigate possible morphological changes, this study evaluated the number and diameter of ovarian follicles in lambaris Astyanax ...
L. Marcon, A. Mounteer, N. Bazzoli, L. Benjamin   +3 more
semanticscholar   +1 more source

Cytogenetic toxicity and gonadal effects of 17 α-methyltestosterone in Astyanax bimaculatus (Characidae) and Oreochromis niloticus (Cichlidae)

Genetics and Molecular Research, 2013
The synthetic hormone, 17-α-methyltestosterone (MT), is used in fish hatcheries to induce male monosex. Androgenic effects on various fish species have been reported; however, few studies have assessed possible genotoxic effects, although there are concerns about such effects in target and non-target species.
C L G, Rivero-Wendt, A L, Miranda-Vilela, M F N, Ferreira, A M, Borges, C K, Grisolia   +4 more
openaire   +2 more sources

CURVAS DE MATURAÇÃO GONADAL E CRESCIMENTO DE Fí­Å MEAS DE TAMBIí­Å¡, Astyanax bimaculatus LINNAEUS, 1758 (CHARACIFORMES, CHARACIDAE), NA REPRESA DE IBITINGA, ESTADO DE SÃO PAULO, BRASIL.

Boletim do Instituto de Pesca, 2018
Neste trabalho foram analisadas 379 fêmeas de tambiú, Astyanax bimaculatus, com a finalidade de determinar o comprimento e a idade em que se inicia a primeira maturação gonadal.
Ricardo Amaro dos SANTOS, Elmar Cardozo CAMPOS, Jaime José Casari da CAMARA, José MANDELLI JUNIOR   +3 more
doaj  

Zonation longitudinale du peuplement ichtyque du fleuve Sinnamary (Guyane Française) [PDF]

, 1988
Le Sinnamary est un fleuve de moyenne importance (bassin de 6565 km2) de la Guyane Française. A l'aide de divers critères d'ordre géologique, pédologique, hydrologique et phytosociologique, nous avons pu diviser le fleuve en 3 zones distinctes : la ...
Boujard, T., Rojas-Beltran, R.
core  

Profile of micronucleus frequencies and DNA damage in different species of fish in a eutrophic tropical lake

Genetics and Molecular Biology, 2009
Lake Paranoá is a tropical reservoir for the City of Brasilia, which became eutrophic due to inadequate sewage treatment associated with intensive population growth.
Cesar K. Grisolia, Carla L. G. Rivero, Fernando L. R. M. Starling, Izabel C. R. da Silva, Antonio C. Barbosa, Jose G. Dorea   +5 more
doaj  

New Astyanax from the upper rio Tapajós drainage, Central Brazil (Characiformes: Characidae)

Neotropical Ichthyology
Astyanax utiariti, new species, is described from the upper rio Tapajós drainage, Mato Grosso, Brazil. Astyanax utiariti has a horizontally oval black humeral spot, a lozenge-shaped caudal-peduncle spot, continuing to the tip of the middle caudal-fin ...
Vinicius A. Bertaco, Valdener Garutti
doaj   +1 more source