IPB University lecturers from the Department of Aquaculture, Faculty of Fisheries and Marine Sciences (FPIK) IPB University, Dr. Dinamella Wahjuningrum and Dr. Irzal Effendi conducted the Lecturer Home Village Program (Dospulkam) in Penyengat Village, Tanjungpinang, Riau Islands (Kepri). Both of them introduced the recirculated aquaculture system (RAS) cultivation technology and the application of phytobiotics to the Bahari Sakti Fish Cultivator Group (Pokdakan) in mangrove crab hatchery.