oyster: Media
mollusk
Images
Oyster with cultured pearls
Gold-lip oyster (Pinctada maxima) with cultured pearls.
Photograph by andytang20. Houston Museum of Natural Science, HMNS 22881
Clams, mussels, and oysters are popular seafood options
Telling them apart on market ice requires a closer look at their shells.
© Pam McLean—Photographer's Choice RF/Getty Images
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