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In the Juramento Reservoir, south-eastern Brazil, the white piranha Serrasalmus brandtii showed a prolonged reproductive season… Expand Karyotypic characteristics of three species of the genus serrasalmus (S. altispinnis, S. gouldingi and S. Serrulatus) from the… Expand Understanding the processes that generated pattern of DNA variation in natural populations may be a difficult task. Since… Expand Serrasalmus brandtii and Pygocentrus piraya are two common piranha species in the Barragem da Pedra Reservoir, rio de Contas. In… Expand The phylogenetic relationships within the piranhas were assessed using mitochondrial sequences with the aim of testing several… Expand The delimitation of the Serrasalmus species (Characiformes, Serrasalminae) from the Bolivian Amazon (Amazonas, Madeira) was… Expand Mercury (Hg) concentration in fish depends on feeding strategies and age/size within the species as well as on water parameters… Expand Cytogenetic studies were conducted on five piranha species belonging to the genus Serrasalmus, subfamily Serrasalminae… Expand Serrasalmus marginatus invaded the Upper Paraná River after construction of the Itaipu Dam in November 1982. This was followed by… Expand The building of Itaipu Dam, 150 km downstream from Sete Quedas Falls, resulted in the natural geographical barrier drowning, with… Expand