1, black sea cucumber, is the whole family of holothurians, including black sea cucumber, black red star sea cucumber, Miocene sea cucumber and related species. When living, the whole body is black or slightly brown, and only the end of the tube foot is white. Many groups inhabit the intertidal zone and coral reef sand bottom, and large individuals often inhabit the seabed of 4-6m or more. When living, the back of the body is purple-brown, and there are often 7-8 obvious black-brown patches; The abdomen is reddish brown. Living under coral reefs or rocks in intertidal zones. When living, the side is black-brown or reddish-brown, the tentacles are black, the tube feet are yellow-brown, and the abdomen is light.

2. White sea cucumber, also known as white sea cucumber, is an extremely rare sea cucumber and a genetic variation of sea cucumber, which is very rare in nature. White sea cucumber is not only scarce, but also requires extremely high quality of life. If the sea water is slightly polluted, white ginseng can't survive. In addition, white ginseng is also relatively good or bad. White ginseng is a first-class white ginseng, and yellow ginseng is slightly inferior.