I just picked up a soft creature like a snail that has lost its shell at the seaside. Sometimes it arches and crawls on the ground, and sometimes it spits out transparent, with one piece inside.
Chinese scientific name: sea rabbit is also called sea slug kingdom, mollusca phylum, Gastropoda, Anura family, sea rabbit family, sea rabbit snail genus, sea rabbit snail distribution area, warm sea area of the world, also produced in China.