What is the appearance of an abalone?

Abalone is a marine mollusk with a distinctive, rounded shell that is typically flattened and spiraled. The exterior of the shell is often rough and can be various shades of brown, green, or gray, while the interior features a stunning, iridescent nacre that displays vibrant colors like blue, green, and purple. The shell has a series of small holes along its edge, which are used for respiration. Overall, abalone is recognized for its striking beauty and unique shell structure.