| distribution of guppies poecilia reticulata (peters, 1860) and phalloceros caudimaculatus (hensel, 1868) along a polluted stretch of the paraíba do sul river, brazil. | cyprinodontiformes fishes (guppies) are widely distributed in neotropical regions and use deteriorated microhabitats in rivers where few species can occur. this study was carried out in a stretch of the paraíba do sul river in bracketing a large urban-industrial complex. the aim was to assess eventual effects that the industrial complex could have on distribution of two closely related fish species of guppies, phalloceros caudimaculatus and poecilia reticulata. the area was divided into three zo ... | 2009 | 19347144 |