A training course under the auspices of the Ocean Teacher Global Academy (OTGA) on Marine Biogeographic Data processing using OBIS was organized by the IOC of UNESCO and the Iranian National Institute for Oceanography and Atmospheric Science (INIOAS) at INIOAS, I.R.IRAN which also hosts the OBIS node for the Persian Gulf and the Gulf of Oman (PEGO-OBIS node).