In general, if the waters of shallow sea aquaculture are seriously polluted, the accumulation of heavy metals in sea cucumbers will be high. Turkish sea cucumber is wild, so there is no heavy metal.
Sea cucumber, belonging to the class Holothuria, is a marine echinoderm, which lives at a height of 8000 meters from the sea surface. It has a history of over 600 million years. Sea cucumbers feed on algae and plankton on the seabed.