Background
The Ministry of Environment and the Ministry of Agriculture, Forestry and Fisheries, together with Wildlife Conservation Society, Marine Conservation Cambodia, and the Song Saa Foundation, issued a joint announcement on the discovery of coral spawning events in Cambodia’s coastal waters. The announcement reports the third recorded mass spawning of hard corals in the Koh Rong archipelago and the first recorded spawning around Koh Song Saa in Preah Sihanouk province and the Koh Sdach archipelago in Koh Kong province.
Field investigations were conducted between 7 and 9 March 2026 with support from the participating ministries, conservation organizations, and local dive operators Bubbles Up Dive Centre and Khmer Dive Group. The work focused on documenting coral spawning behavior and associated environmental conditions in selected reef sites.
Scope of Application
The research covered reef areas within the Koh Rong archipelago in Preah Sihanouk province and reef areas around Koh Song Saa and the Koh Sdach archipelago in Koh Kong province. The findings are relevant for institutions and stakeholders engaged in marine and coastal conservation planning, including government agencies, conservation organizations and coastal communities that depend on healthy coral reef ecosystems for food security and livelihoods.
Key Provisions or Decisions
The announcement records that marine scientists undertook night dives to observe and document coral spawning activity and to record surrounding environmental parameters needed to assess coral health. The data collection generated baseline scientific information on coral reproductive cycles, coral recovery processes and factors that contribute to effective management of hard coral reefs.
According to the announcement, the repeated observation of coral spawning over three consecutive years indicates notable resilience of Cambodia’s hard coral reefs. Representatives from the conservation organizations highlighted the importance of continued research on these events and of strong cooperation between government, NGOs and local partners to ensure long-term protection of marine ecosystems.
Implications for Investors, Businesses, or Compliance
The documented coral spawning events and associated baseline data provide reference information for future marine spatial planning, conservation measures and coastal resource management decisions in the Koh Rong and Koh Sdach areas. While the announcement does not introduce new regulatory requirements, it underlines the ecological value and resilience of local coral reefs, which may inform future government policies on marine protected areas, coastal development planning and sustainable use of marine resources. Coastal communities and marine-related businesses, including tourism and fisheries, may be affected by any subsequent conservation or management measures that build on these scientific findings.
Official Source
The information is based on a joint public announcement published by the Ministry of Environment, in cooperation with the Ministry of Agriculture, Forestry and Fisheries and partner conservation organizations, via the Ministry of Environment’s official communication channels.





