Results 1 to 10 of about 76 (55)
This study aimed to identify species of Astyanax bimaculatus group from four Itaipu Reservoir tributaries (Paraná River Basin) by cytogenetics and molecular markers (COI) to investigate the possible occurrence of cryptic diversity in part of this basin ...
Sandro Tonello +9 more
doaj +8 more sources
A dieta de Astyanax asuncionensis, em riachos da bacia do rio Cuiabá, Estado do Mato Grosso, durante períodos de chuva e seca, foi descrita, sendo suas variações associadas ao grau de integridade da vegetação ciliar.
Cristiana da Silva Borba +3 more
doaj +5 more sources
Basic cytogenetics and physical mapping of ribosomal genes in four Astyanax species (Characiformes, Characidae) collected in Middle Paraná River, Iguassu National Park: considerations on taxonomy and systematics of the genus [PDF]
Karyotypes and chromosomal characteristics of both minor and major rDNAs in four fish species known popularly as “lambaris”, namely Astyanax abramis (Jenyns, 1842), Astyanax asuncionensis Géry, 1972, Astyanax correntinus (Holmberg, 1891) and Astyanax sp.
Leonardo Paiz +3 more
doaj +2 more sources
Astyanax asuncionensis: MLP 8660, 5 ex., 43.6-61.4 mm, Argentina Santiago del Estero, Banado de Anatuya. MLP 8844, 7 ex., 25.0-44.9 mm, Argentina, Formosa, Rio Bermejo basin, Arroyo Mbigua.
Juan Marcos Mirande +2 more
core +4 more sources
Fish from urban tributaries to the Vermelho River, upper Paraguay River Basin, Mato Grosso, Brazil [PDF]
The fish fauna of urban streams is still poorly known, it difficult to assess the effects of urbanization expansion on fish species composition, for this reason the aim of this study was to provide a checklist of species that compose the ichthyofauna of ...
Valdeci Oliveira +3 more
doaj +4 more sources
Karyotypic diversity among three species of the genus Astyanax (Characiformes: Characidae)
The group Incertae sedis within the Characidae family currently includes 88 genera, previously included in the subfamily Tetragonopterinae. Among them is the genus Astyanax comprising a group of species with similar morphology and widely distributed in ...
P. B. Nishiyama +5 more
doaj +2 more sources
<p>Este trabalho teve por objetivo utilizar ferramentas da citogenética para estudar <em>A. asunsionensis </em>na microbacia do Sepotuba. Os espécimes foram coletados, nos córregos São José e Bocaiuval e no Rio Sepotuba, na região de Tangará da Serra & ...
Patrícia Giongo +5 more
openaire +2 more sources
Astyanax asuncionensis Gery 1972
Published as part of Litz, Thomas O. & The, Stefan Koerber Introduction, 2014, Check List of the Freshwater Fishes of Uruguay (CLOFF-UY)., pp.
Litz, Thomas O. +1 more
openaire +2 more sources
Redescription of Astyanax goyacensis Eigenmann, 1908 (Ostariophysi: Characiformes: Characidae)
Astyanax goyacensis Eigenmann, 1908 is redescribed based on the holotype and 25 topotypes. The species belongs to the A. bimaculatus species complex, sharing with those species a black, horizontally ovate, humeral spot (the most conspicuous feature of ...
Valdener Garutti, Francisco Langeani
doaj +1 more source
Autapomorphy of Astyanax asuncionensis: Some trees: 1. Form of fourth infraorbital (67): (0> 1) longer dorsoventrally than longitudinally. Reversal of synapomorphy 2 of node 260. (some trees under k9-14). Paralleled in Astyanax cf. asuncionensis.
openaire +2 more sources

