Mussels, also known as emerald mussels, and in some parts of the country called "sea rainbow", the price is affordable, 6-7 sea rainbow, almost the price of a scallop.

The mussel, also known as the emerald mussel, is also known as the sea red. After drying, it is "mussels". Distributed in the southern East China Sea and the South China Sea coast. Shell larger, shell length of 13 to 14 centimeters. Shell length, shell length is twice the height of the shell. The top of the shell is located in the most anterior part of the shell, the rostrum. The dorsal margin is curved, and the ventral margin is straight or slightly concave. The shell is thin, with a smooth, emerald-green surface, often greenish-brown in the anterior half, with a fine growth pattern, and with a raised rib at the anterior end. The inner surface of the shell is porcelain white, or greenish blue, with pearly luster. The articulated teeth are 2 on the left shell and 1 on the right. Foot filaments fine and soft, yellowish.