Common name: sea red.
Origin and production period:
Distributed in the Yellow Sea, the Bohai Sea and the East China Sea coast, Zhejiang Province has more natural resources.
Introduction:
The shells are wedge-shaped and are larger and thicker than mussels. The top of the shell is pointed and located at the forefront of the shell. The shell length is 2 times the shell height. The shell has a rounded trailing edge. The shell surface forms a bulge along the ventral edge from the shell top. The shell surface is divided into upper and lower parts. The upper part is wide and obliquely back edge, the lower part is small and bent to the ventral edge, so the two shells form a diamond on the ventral surface when closed. flat. The growth line is obvious but irregular. The shell surface is tan, and the top is often worn to reveal white. The edge curls inward to form a border. The inner surface of the shell is purple-brown or gray-white with pearl luster. The thread is thick and yellow.
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