The mussel fish with a red back and white belly is a mussel fish. According to the query information publicly available, the stone mussel fish is taller and thicker, overall light brown, reddish dorsal side, the belly is white, all its fins are yellow or obviously yellowish, there is a blue line of cheeks below the eyes, and there are quite conspicuous white spots on the body surface below the dorsal fins soft stripes and above the lateral line.