Each year on behalf of the Commonwealth’s Threatened Species Scientific Committee (TSSC), the Department of Climate Change, Energy, the Environment and Water invites public nominations for items that merit listing as threatened under the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act). The ‘Temperate coastal oyster beds and reefs’ ecological community was nominated for listing in 2018 and is currently undergoing threatened ecological community listing assessment by the TSSC as two separate oyster reef entities - ‘Saccostrea glomerata oyster reefs of eastern Australia’ and ‘Ostrea angasi oyster reefs of southern Australia’. Collectively, the two oyster reef entities comprise oyster reefs dominated by S. glomerata or O. angasi occurring in marine and estuarine waters in Queensland (south of Seventeen Seventy), New South Wales, Victoria, South Australia, Western Australia (south of Swan River) and Tasmania. This presentation will describe the threatened ecological community listing assessment process under the EPBC Act and what listing means for protection and restoration of an ecological community. We will also present on the draft defining characteristics and condition thresholds, and the currently identified key threats and priority research, management and conservation actions for the two oyster reef entities undergoing listing assessment.