Are shrimp and oysters in the same family?

No, shrimp and oysters are not in the same family. Shrimp belong to the class Malacostraca within the phylum Arthropoda, making them crustaceans. Oysters, on the other hand, are mollusks in the class Bivalvia within the phylum Mollusca. While both are aquatic animals and important seafood, they are classified under different biological families.