1, the size is different. The size of the cucumber fish will be larger, the largest cucumber fish can be as big as the palm of an adult's hand. But the size of the cucumber fish will be slightly smaller.

2, living environment and color differences. The yellow croaker has been caught and artificially cultivated to raise more, the color of the fish scale is golden yellow. The cucumber fish is basically caught from the sea. The belly and dorsal fin color is yellow, the body is silver white.