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BackgroundRecent molecular hypotheses suggest that some traditional suprageneric taxa of Characiformes require revision, as they… Expand The characiform family Gasteropelecidae, the so-called freshwater hatchetfishes, is comprised of three genera and nine species… Expand The Characiformes are distributed throughout large portions of the freshwaters of Africa and America. About 90% of the almost… Expand Twenty-seven specimens of cardinal tetra Paracheirodon axelrodi, 33 rosy tetra Hyphessobrycon copelandi (Characidae), 28 marbled… Expand A free-size canonical variable analysis was made to investigate the morphological pattern of variation among different… Expand Comparative cytogenetic analyses of hatchetfishes Carnegiella marthae and Carnegiella strigata (Gasteropelecidae) from the Rio… Expand The silver hatchetfish Thoracocharax stellatus is one of the approximately 200 fish species recorded for the upper rio Tocantins… Expand The karyotypic and chromosomal characteristics of the hatchetfish Thoracocharax stellatus from the Araguaia River, Brazil… Expand Summary1.Studies were made of the localization of surface waves in 11 species of teleosts belonging to 4 different families… Expand The family Gasteropelecidae is composed of three genera and eight species. This study shows that Thoracocharax cf. stellatus has… Expand