Pyuridae(？ Sea squirt? ) is a chordate animal of sea squirts.
The picture below shows the real sea squirt Halocynthia roretzi.
They inhabit the seabed with lush algae and water depth of 10-20m, and most of them are fixed on solid objects such as submarine bedrock, rocks, gravel or algae. Euascidian is an omnivore, feeding on planktonic larvae of diatoms, small protozoa, crustaceans and molluscs.
Real sea squirts are nutritious and delicious, especially in summer. They are favored by Japanese and Korean nationals, mainly raw, and exported to Japan, Italy, France and other countries.