There are many kinds of sea cucumbers, for example, the common edible sea cucumbers usually have the following kinds: Imitation Spiny Cucumber, Plum Blossom Cucumber, Green Spiny Cucumber, Flower Spiny Cucumber, Chartreuse White Cucumber, Serpent's Eye White Cucumber, Spoke Anus Cucumber, White-bottomed Spoked Anus Cucumber, Urumbo Spoked Anus Cucumber, Black Sea Cucumber, Jade-footed Sea Cucumber, Black Milk Cucumber, Rough Sea Cucumber, Square-posted Pentacelon Gourd Gourd Cucumber, Naked Pentacelon Gourd Gourd Cucumber, Tumored Pentacelon Gourd Gourd Cucumber, Sea Groundnuts, and Sea Hammers, etc. There are more than 900 kinds of sea cucumbers in the world***, and about 140 kinds of sea cucumbers are distributed in China.