What do oysters eat?

What do oysters eat? Oysters eat phytoplankton or small bits of algae suspended in the water. They are filter feeders, which means that they obtain their food by filtering water in and over their gills. Sometimes they're referred to as bottom feeders, but don't mistake them as detritivores. read more

Fresh oysters must be alive just before consumption or cooking. There is only one criterion: the oyster must be capable of tightly closing its shell. Open oysters should be tapped on the shell; a live oyster will close up and is safe to eat. Oysters which are open and unresponsive are dead and must be discarded. read more

Oysters eat mostly plankton and algae that lives on the surface of the ocean. Oysters are filter feeders (also known as suspension feeders) that feed by straining suspended matter and food particles from water. read more