The project of initial preparation and direct release of juvenile bony fish, produced by the centers for rebuilding of aquatic resources and conservation of genetic resources of aquatic organisms with emphasis on Caspian kutum, to the sea has been implemented by the Mazandaran Department of Fisheries as the employer and the Caspian Sea Ecology Research Center as the executor since March 21, 2019. So far, two steps of sampling from the Caspian kutum larval rearing ponds have been carried out. The specialized coordination meeting of the project officials was held with the coordinator of the project supervisor, Dr. Ghasem Karim Zadeh, and Mr. Panahi, the head of the Shahid Rajaee Center for Reproduction and Rebuilding Resources of Aquatics and the project partners.