Caral reef and sea grass beds

Coral reefs can mainly be found around the islands and include: Koh Rong, Koh Rong Sanlem, Koh Russey, Koh Takiev, Koh Thmei and Koh Ses. There are approximately 24 species of commonly occurring hard coral and 14 species of soft coral found in the waters of Preah Sihanouk Province. Enhalus acroides seagrass species known locally as Smao Kloy,is found in abundance near the mouth of Stung Hav, Kampong Som Bay in Sihanoukville. Other species that occur in the coastal area of include Cymodocea seradata, Syringodium isoetifolium and Halodule pinifolia.