The Pacific Oyster (Crassostrea gigas) is a species of oyster native to the Pacific coast of Asia. It is widely cultivated for its edible meat and is known for its ability to thrive in various environments, including estuaries and coastal waters. This oyster has a rough, irregular shell that can vary in color, often appearing gray or brown. Pacific Oysters are an important part of marine ecosystems, providing habitat and food for various marine species. They are also significant in aquaculture, contributing to local economies and seafood industries. Their cultivation helps improve water quality by filtering plankton and other particles from the water.