Habitat: Present in shallow water. Distribution: This species has been reported from Canada (Nova Scotia) to the West Indies. Natural History Notes: The shell of this species is commonly found on beaches and is often collected, because of its interesting color pattern. The flesh is rather acid. Characteristics: This oyster species has a length of up to 2 inches. Its shape is rather elongated and varies in color. The shell can be yellow to bright red or silver gray.The shape will change, depending on what surface it is attached to. The upper valve is convex, whereas the lower valve is more flat.