Dr. Nadjim AHMED MOHAMED is admitted at the Faculty of Sciences and Technology (University of Comoros) in 2005 to start his studies in Biology and obtained his bachelor degree in 2009. From 2009 to 2012, he is graduated (MSc thesis) in Sustainable Biodiversity Management and Conservation in the same University. In 2014, he obtained the Chinese scholarship to do his PhD in Marine Biology at Ocean University of China.Between 2014 and 2017, he has been doing his doctoral research on Population genetics of bivalves (Tridacna family). His PhD thesis entitled “Genetic variability of Tridacna maxima, T. crocea and T. squamosa (Bivalvia: Mollusk): molecular approach”. In 2017, Nadjim AHMED MOHAMED joined the Faculty of Sciences and Technology (University of Comoros) and working with his team on benthic communities and their ecosystems, critical habitats such as coral reefs and seagrasses. The topics cover the study of the biology, ecology and management of the marine resources. In 2018, he participated in the Second International Indian Ocean Expedition (IIOE2) and joined the WIO-ECSN as Country Coordinator of Comoros.