This report describes a training course on marine finfish hatchery protocols, which was convened at the Karabi Coastal Fisheries Research and Development Center, Thailand at the request of the Secretariat of the Pacific Community. The main goal of the training was to carry out hands-on practical work in finfish hatchery techniques, with an emphasis on grouper. This work involved spawning induction, incubation and larval rearing until day 12.