Echinoidea—the class of sea urchins, sand dollars and heart urchins—belongs to the phylum Echinodermata.Their test comprises interlocking calcareous plates bearing movable spines and tube feet;the mouth houses the five‑part jaw apparatus known as Aristotle’s lantern. Echinoids are key grazer...
Sea urchins are invertebrates that live in shallow waters of the ocean, and many species of these ancient creatures are edible to humans. However, some sea urchins that look particularly fresh and beautiful are often poisonous. Do you know which species of sea urchins look the prettiest? Here...
Sea urchin, also known as spiny conch, is one of the eight treasures of the ocean. Although the appearance of sea urchins is covered with spikes, the delicious meat and high nutritional value make it very popular among people. There are many varieties of sea urchins, so which one has the most outsta...
Email: jsset668#gmail.com (change # to @) Please indicate your purpose of visit! Guangdong ICP No. 2022053326 XML| map| Chinese
