Greenland butterfly fish is a cold-water deep-sea fish with high nutritional value. Its color is relatively light, belonging to very bright seawater ornamental fish. People with eyes on one side of their bodies have special habits, mainly eating some fish and shrimp.
The common flounder, also called flounder, is a kind of flounder. Although its color is lighter, there are also very bright varieties. Flatfish eyes grow on both sides, and their habits are also average. They mainly eat some algae and corals.
To sum up, the two kinds of fish have their own characteristics and values, and it is impossible to directly judge which is better. Look at the individual's evaluation and demand for different aspects.