Appealing practice. Steaming is the best way to eat sea shells and other seafood, because it is not easy to lose nutrients, but also to eat the original flavor of seafood. Sea shells are mollusks with a wide variety of species. Spratly Islands distribution of about 250 kinds. According to the use can be divided into edible shellfish and ornamental shellfish two categories. The larger production of edible shells are large horseshoe snails, hedge phoenix snails, Tridacna gigas and so on. The large horseshoe snail, also known as the "male snail", has a wide distribution, is easy to catch, has a high yield, has fat and tasty meat, and is an important economic shellfish. Lifeng snail production is also very considerable, distributed in shallow water on the reef, people can get, made of dried products, meat flavor and nutrition are superior. "The most sea shells" to count the giant clams, also known as "Tridacna", commonly known as "oyster", "big oyster", as big as a basin, weighing hundreds of pounds. It is as big as a basin and weighs hundreds of pounds. To the big one for the best, the meat is delicious, has been a good product, its closed-shell muscle (commonly known as "oyster tendon") is the best of the seafood natural food, eating when torn into thin strips of silk, a mouth, chewing for a long time not rotten the flavor of the particularly fresh. The price per kilogram to nearly a thousand dollars. Ornamental shellfish is another important Nansha Islands, "specialty". Many varieties, different shapes, bright colors, brilliance, not only for ornamental purposes, is also an important raw material for the production of valuable handicrafts. Tiger shells, Tang Guan snails, eyeball shells, spiders, such as pearl snails are among the treasures. Many of the sea shells are rare animals, has been listed as a natural resource protection object. Sea shells are creatures that grow along the coast of the ocean, and natural sea shells were used as money for commodity exchange in the late Neolithic period in China, making them the earliest ancient currency in China. Jewelry made from sea shells symbolizes wealth and status. In ancient times, sea shells were also used as currency in India, Burma, Bangladesh, Thailand and other countries along the Indian and Pacific Oceans. In modern times, sea shells are more commonly understood as a collective term for shells from the sea, and are often used as jewelry or ornamental objects