The body surface of wild turtle has four colors: blue, yellow, blue and white. The body shape is slightly cylindrical, the head and eye diameters are small, the green turtle is dark green with fine scales, the upper part of the lateral line is dark, the lower part is shallow, the abdomen is slightly yellowish white, the snout has a pair of extremely short lips, the fins are not hard, the chest and ventral fins are fan-shaped, and the caudal fin is flat or slightly concave. The meat is tender, delicious and nutritious, and it is a good product for breeding, fishing and viewing.
The mouth is small, end-positioned, the mouth crack is slightly inclined upward, and there are 1 pairs of short whiskers at the corner of the mouth. Pharyngeal teeth 1 row, with high body and flat side, with groove in the center of tooth surface and slight groove at the end of tooth. Scales are small, closely arranged and hidden under the skin.
The caudal fin is straight or slightly concave, the back of the body is pale yellow, the abdomen is gray, and the fin is gray-black.
The abdomen is round and the lateral line is complete. The dorsal fin is short and spineless, and the starting point is located behind the starting point of the ventral fin.