PRISMSS was established in 2019 with the assistance of the Global Environment Facility Regional Invasive Species Project (GEF 6 RIP): Strengthening national and regional capacities to reduce the impact of Invasive Alien Species on globally significant biodiversity in the Pacific. It is supported by the New Zealand Ministry of Foreign Affairs and Trade under the Managing Invasive Species for Climate Change Adaptation in the Pacific (MISCCAP) project.