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The oyster is a filter-feeder that gets its food by filtering food particles from water with its gills.
The oyster is a filter-feeder that gets its food by filtering food particles from water with its gills. A healthy oyster can filter up to 1.3 gallons (5 l) of water per hour. This ongoing process by thousands of oysters can rid an area of water pollution, which is extremely beneficial for the water quality, though it is not always good for the oyster.
CLASS: Bivalvia (bivalves and clams)
ORDER: Ostreoida (true oysters)
FAMILY: About 200 species in 10 families
Size: 3–14 in (7.5–35 cm)
Depths: 8–40 ft (2.5–12 m)
Diet: Plankton, algae
Habitat: Shallow waters throughout the world’s oceans