Sea cucumber, what grows on the seabed?

Sea cucumber is a marine mollusk that lives at the seaside to 8000 meters. According to the history of more than 600 million years, sea cucumbers feed on algae and plankton on the seabed. Sea cucumber is covered with thorns, and its color can change with the environment. It usually lurks underground in summer and sleeps as hard as a rock, so it is mostly captured in winter or spring. Sea cucumbers have high requirements on the surrounding water environment, and they are afraid of oil and dirt. A drop of oil or a hair can dissolve it in water. This alone shows how environmentally friendly sea cucumbers are. The value of sea cucumber The ancients said: Those who swim in the sea can eat, but those who run on the ground can't eat. Marine life is a treasure house of trace elements. The contents of calcium, iodine and iron in marine organisms such as sea cucumber, marine fish and shrimp are several times or even dozens of times that of livestock meat. Sea cucumber is not only a precious food, but also a precious medicinal material. According to "Compendium of Materia Medica", sea cucumber is sweet and salty, which has the functions of tonifying kidney and essence, absorbing urine and strengthening yang, treating impotence, and being warm and nourishing, so it is named sea cucumber. The benefits of eating sea cucumbers often Sea cucumbers grow slowly and are captured by artificial diving, so they are very valuable. Therefore, China's early sea cucumbers were mostly sold to Japanese, American, Canadian, Australian and other developed countries. Japanese pregnant women have a long tradition of eating sea cucumbers. Now many Japanese women still eat one sea cucumber every day once they are pregnant. Sea cucumber has the reputation of "making up the best".