WebMay 1, 2024 · Recently, Lucena and Soares ( 2016) synonymized three species, Astyanax jacuhiensis, A. asuncionensis and A. altiparanae, with Astyanax lacustris (Lütken 1875 ), resulting in significant expansion of the known species distribution (i.e., the La Plata River, São Francisco River, Tramandaí drainage, and Laguna dos Patos systems). WebA new species of Cacatuocotyle is described from the external surface of Astyanax aff. fasciatus and Astyanax jacuhiensis from Lake Guaíba, State of Rio Grande do Sul, Brazil. It differs from the other three species of the genus, recorded from Mexico and the State of Paraná, Brazil, by possessing an accessory piece with a long proximal ...
Astyanax definition and meaning Collins English Dictionary
WebSep 1, 2024 · It receives contaminants such as pesticides and domestic residues. Thus, the aim of this study to assess the accumulation of pesticides in muscle of the fish Astyanax … WebAug 1, 2024 · These species all belong to the Astyanax bimaculatus group. All species presented 2n = 50 chromosomes and single nucleolar organizing regions (NORs). In A. altiparanae, the karyotype was 6m + 28sm+4st+12a and the NORs were present in pair 20, while A. jacuhiensis was 8m + 28sm+6st+8a, with NORs in pair 22, and A. fort gym nyc
Combination of Water Quality Parameters and Bioassays …
WebDec 1, 2024 · Muscle of Astyanax jacuhiensis showed a diversity of pesticides. Fish tissues exhibited oxidative damage due to pesticide presence in the muscle. Summer … WebGraduado em Ciências Biológicas - Licenciatura (Feevale), Mestre e Doutorando pelo Programa de Pós-Graduação em Ciências Biológicas: Fisiologia (UFRGS). Durante a graduação fui monitor da disciplina de Embriologia e Histologia e bolsista de Iniciação Científica do laboratório de Histologia Comparada e Citogenética colaborando no … WebAug 20, 2014 · Cytogenetic studies were carried out in three species from genus Astyanax: Astyanax paranae (Tagaçaba Stream and Tauá Stream), Astyanax altiparanae (Iguaçu River and Maringá Stream) and Astyanax fasciatus (Maringá Stream). Both populations of A. paranae featured 2n = 50 chromosomes, although with different karyotype formulae … fort hamilton ny zip