Abstract
Effect of eutrophic water in the gill of the Nile tilapia (Oreochromis niloticus) from Aclimação park lagoon Key words: Oreochromis niloticus, gill, pollution, eutrophication, biomarkers Abstract Into the downtown place of the city of São Paulo situed the Aclimação Park that since 1939 had been suffering a lot of modifications about urbanity actions, there is a lagoon of 33.380 m² with eu…