This product is a commonly used Chinese medicine, formerly known as squid bone, which is listed as a Chinese product in Shennong Herbal Classic, and is also called cuttlefish bone in Li Shizhen. There are many kinds of protozoa in the market, and the shell of Sepia esculenta Hoyle is the best.

[protozoa]

Nicknames of mullet: squid, cuttlefish and mullet.