Results 31 to 40 of about 5,417 (192)
Astyanax paris: MLP 9584, holotype, 75.6 mm, Argentina, Misiones, Río Uruguay basin, arroyo Fortaleza.
J. M. Mirande +2 more
openaire +3 more sources
{"references": ["Cuvier G (1819) Sur les poissons du sous-genre Hydrocyon, sur deux nouvelles especes de Chalceus, sur trois nouvelles especes du Serrasalmes, et sur l'Argentina glossodonta de Forskahl, qui est l' Albula gonorhynchus de Bloch. Memoires du Museum National d'Histoire Naturelle 5: 351 - 379.", "Castro RMC, Casatti L., Santos HF, Melo ALA,
Batista-Silva, Valéria Flávia +6 more
core +4 more sources
Female mating preferences in blind cave tetras Astyanax fasciatus (Characidae, Teleostei). [PDF]
The Mexican tetra Astyanax fasciatus has evolved a variety of more or less color- and eyeless cave populations. Here we examined the evolution of the female preference for large male body size within different populations of this species, either surface-
Rohde, Matthias +4 more
core +1 more source
Key for the species of Astyanax from laguna dos Patos system 1. Anterior humeral spot distinctively oval-shape ................. 2 1’. Anterior humeral spot vertically elongate or other form but never oval-shape ................................................................... 3 2.
Bertaco, Vinicius A. +1 more
openaire +4 more sources
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 +1 more source
Highlighting Astyanax Species Diversity through DNA Barcoding. [PDF]
DNA barcoding has been used extensively to solve taxonomic questions and identify new species. Neotropical fishes are found in a wide variety of shapes and sizes, with a large number of species yet to be described, many of which are very difficult to ...
Bruno César Rossini +7 more
doaj +1 more source
Cytogenetic markers as a tool for characterization of hybrids of Astyanax Baird & Girard, 1854 and Hyphessobrycon Eigenmann, 1907 [PDF]
Astyanax Baird et Girard, 1854, is one of the largest genera in the family Characidae and comprises 177 valid species. This genus has been the focus of cytogenetic studies primarily owing to the presence of B chromosomes and high karyotypic diversity ...
Caio Augusto Gomes Goes +7 more
doaj +3 more sources
Malagoniella (Malagoniella) astyanax
Malagoniella (Malagoniella) astyanax (Olivier, 1789) Scarabaeus astyanax Olivier 1789: 188 Note. Five presently recognized subspecies of Malagoniella (Malagoniella) astyanax have been described, one of which occurs in the research area.
Hielkema, Meindert A., Hielkema, Auke J.
core +1 more source
Neste trabalho foi obtido o fator de condição relativo de Hypostomus strigaticeps, Astyanax altiparanae, Astyanax scabripinnis, Astyanax fasciatus, Astyanax sp1., Characidium aff. zebra, Piabina argentea, Hypostomus ancistroides, Hypostomus sp1., Parodon
Leandro Muller Gomiero +1 more
doaj +1 more source
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 +1 more source

