Estudos etnoictiológicos sobre o pirarucu Arapaima gigas na Amaz？nia Central

present study it aimed at to identify to know common between scientific knowledge and local knowledge on ecology and biology of pirarucu (arapaima mock-ups), contributing with useful information for implementation and consolidation of projects of participative handling fishing boat in region. 57 half-structuralized interviews had been carried through, with fishing of manaus and manacapuru during period of june to december of year 2002. it was observed that professional fishermen also have accurate and comprehensive information in relation to knowledge of subsistence fishermen in coastal aspects of reproduction, predation, migration, growth and mortality. aspects that are not equivalent among commercial fishermen and coastal urban dwellers are subsistence aspects of type of power and size of fishing recruitment. we conclude that fishermen of central amazonia have necessary knowledge that allow participatory management of bass, and a deep knowledge in behavioral, biological and ecological processes of this kind, so you can actually contribute to the participation of management in local fisheries.