Species · GBIF taxon 4595317
Sydney Rock Oyster
Saccostrea glomerataAlso known as Rock Oyster, Auckland Oyster, New Zealand Rock Oyster
Sydney rock oysters thrive in the intertidal zones of Australia's eastern coast, cementing themselves to rocks, mangroves, and jetty pilings. These bivalves act as critical ecosystem engineers, filtering massive volumes of water and creating complex reef habitats that shelter juvenile fish and crabs. Their shells grow in highly irregular, fluted shapes, adapting perfectly to the contours of their chosen hard surface.
Filter FeederMarineReef Builder
Licensed referenceUnknown / CC-BY · cc-by
- diet
- Phytoplankton and suspended organic detritus
- family
- Ostreidae
- threats
- Water pollution, ocean acidification, habitat loss, and mud worm infestations
- life Span
- Up to 10 years
NE
Sharp shell edges can cause deep cuts; wear sturdy footwear when exploring rocky intertidal zones.
- Watch your step: Walk carefully on rocky shores as the shells are razor-sharp and easily slice through soft footwear.
- Observe water filtration: Look for slightly open shells in shallow water to see their mantle edges actively pumping.