Roe from Echinoderms
摘要
Echinoderms are a phylum (Echinodermata) of invertebrates, of which there are about 6000 different living species, which include, for example, the classes of sea urchins, starfish, and sea cucumbers. They are characterized by having an external armor in the form of a calcareous shell or a leathery thick skin. You have to get behind the thick armor to find the delicacies in the form of roe.