The color of this part of the male body is yellow and white, and the color of the female body is dark orange. ?
The yellow one is delicious.
The purple mussel, also known as Haihong and Qingkou, is a kind of bivalve mollusk, which lives on coastal rocks with a dark brown shell. Distributed in the Yellow Sea and Bohai Sea coasts of China. Mussel shells are wedge-shaped, with tapered front ends and wide and round back ends. Generally, the shell length is 6 ~ 8 cm, and the shell length is less than 2 times of the shell height. Thin shell. The top of the housing is near the front end of the housing. The two shells are equal, symmetrical, and the surface is purple-black and shiny. The growth line is thin and obvious, and it grows annularly from the top.
The inner surface of the shell is grayish white, with blue edges and pearl luster. The hinge is long, and the ligament is dark brown, almost as long as the hinge. Articulated teeth are underdeveloped, and then obturator internus degenerates or disappears. Feet are small and soft.
References:
Haihong-Baidu Encyclopedia? Web page link