Left-handed fish: Alias flounder, also known as left-handed butterfly fish, has extremely fine scales on its body surface, and its eyes are on the upward side of its body, the color of which is in good harmony with its surrounding environment. Left-mouthed fish has only one dorsal fin, which extends almost from the head to the caudal fin.

Duobao fish: The body of Duobao fish is flat and approximately round, and its eyes are on the left side of the head, with rich colloid under the skin and fins. The head and tail fins are small, and the fins are cartilage. The left side of the body is light brown with irregular spots, and the abdomen is light in color, which can change with the surrounding environment, so as to hide the body and avoid enemies.

2. The difference in color

Left-mouthed fish: The fish body is dark in color, and the pattern color changes with the environment, and some are close to black.

Duobao fish: the side with eyes (back) is bluish brown, with a little melanin and a little prickles, and the side without eyes (belly) is white, with faintly visible black and brown patterns on the body surface.

3. The difference in taste:

Left-mouthed fish: Left-mouthed fish tastes relatively thick, and its meat is tender and white, which supplements deficiency and benefits qi, but it is not suitable to eat more, which has the effect of moving qi.

Duobao fish: There are no small bones in the body, the bones are white jade-like, the visceral mass is small, the meat yield is high, and the muscles are rich and tender. When eaten, the Dolphin has a delicate taste.

Baidu Encyclopedia _ Duobao Fish

Baidu Encyclopedia _ Zuokouyu