Biodiversity of the ROPME Sea Area (RSA) consists of a number of different individual species of organisms living in a variety of marine ecosystems. They are ecological, economical and socio-cultural importance, and also conservational importance when they become in threatened levels.  The RSA provides the largest inhabitable space for a variety of fauna and flora. They live in habitat ranging from exposed beaches to the open sea environment which includes the benthic deep and shallow subtidal habitats, intertidal habitats; rocky, sandy and muddy shores; pelagic, mesopelagic and demersal habitats.  The important group of biodiversity of RSA and the conservation management efforts taken to preserve certain biotic resources are briefed in the modules.