Scholarly Open access journals are leaping to more heights with the wide acceptance among academic community. Predatory open access journals are growing like weeds exploiting the good intention of Open Access movement. Predatory open access journals are charging fees from authors to publish the paper with misleading metrics and without following legacy editorial processes . Young scholars are the victims of predatory of open access journals. This paper discuss the nature and operations of predatory journals and suggests defence mechanisms to keep away those predators from academic community.