Atresia of ovarian follicles, that is the degenerative process of germ cells and their
associated somatic cells, is a complex process involving apoptosis, autophagy and …

Heavy metals are considered major pollutants of aquatic environments due to the difficulty of
metabolization and the bioaccumulative potential in tissues of aquatic organisms, especially …

Muchas especies de peces de importancia económica han sido intensamente explotadas,
provocando el colapso de sus pesquerías. Por este motivo, en algunas de estas especies …

The arrival of the rains and the hydrological changes they cause are essential in the
reproductive cycle of Neotropical migratory fishes, but their association with the onset of …

Biology and Physiology of Freshwater Neotropical Fish is the all-inclusive guide to fish
species prevalent in the neotropical realm. It provides the most updated systematics …

Aiming to better understand folliculogenesis, this study evaluated cell death and proliferation
of ovarian cells, besides cathepsin-D expression in Prochilodus argenteus captured in two …

Abstract The Velhas River is the most polluted river in the state of Minas Gerais, south-
eastern Brazil. Due to its historical and environmental relevance, the aim of this study was to …

Alterations to the hydrologic regime downstream from hydroelectric dams include thermal
disturbances which may have an impact on the reproductive success of fish. In order to …

The natural flood pulse of the Amazon basin has been altered progressively by the
installation of hydroelectric dams, which have had a potentially adverse impact on the local …

Abstract Cu, Pb, Cd, Zn, Cr, Hg, and Fe in the liver, spleen and muscle, of the fish Salminus
franciscanus, from two sections of Paraopeba River, highly affected by anthropogenic …