In this paper, a discussion of the current modalities of migrants trafficking will be made, taking into account the vast expression that it acquires and its extremely dynamic character. The main empirical base is a recent research project carried out in Portugal, which considered both labour and sexual exploitation related flows. The underlying claim is that it is the conjunction of individual aspirations for migration, stringent migration policies and organised intermediary agents that lead to the surge of dynamic modalities for channelling flows. The fact that each agent actively interacts with the others explains the continuing changes in the process.info:eu-repo/semantics/publishedVersio