1. Sea cucumbers are marine molluscs that live on coastlines up to 8,000 meters away. They have been feeding on algae and plankton for over 600 million years.
2. Sea cucumbers are covered in thorns and their color can change with environmental changes. It usually hides under rocks in summer and is as hard as rock, which is why it is mainly caught in winter or spring. Sea cucumbers have very high demands on the surrounding aquatic environment and are afraid of oil and dirt which can dissolve them in water. This shows how environmentally friendly sea cucumbers are.
3. The value of sea cucumbers: The ancients said: You can eat what swims in the sea, but not what sinks on the ground. Marine life is a treasure trove of trace elements. The content of calcium, iodine, iron, etc. sea cucumbers, fish from mer, shrimp and other marine species is several times, even dozens of times, that of poultry and livestock meat. Sea cucumber is not only a valuable food, but also a valuable medicinal material.