The appearance, life, nutritional value, and consumption methods are all different.

1. Appearance difference: The former is obviously different from the seven-star fish. The former has a large, wide and flat head, its barrel is also particularly thick, and the scales are relatively large, while the black fish has a pointed and flat head. , its body is also covered with scales, and there are spines on the dorsal fin of the black fish, and there are no forks in the directly continued tail, while there are many spider-colored highlights on the shell and flag of the seven-star fish.

2. Living habits: Seven-star fish and black fish also have obvious differences in their living habits. Seven-star fish especially likes to live in streams in mountainous areas, while black fish likes to live in water, mud and aquatic plants along the coast. In the diving area, it mainly eats small fish and shrimps. It is a ferocious carnivorous fish.

3. Nutritional value: Seven-star fish and black fish also have obvious differences in nutritional value. Seven-star fish has particularly high protein and amino acid content. It has better effects of nourishing yin and blood and nourishing and strengthening the body. Snakehead fish is delicious. It can not only supplement protein for the human body, but also allow the human body to absorb a variety of trace elements and minerals. It can improve the function of multiple organs of the human body and play an important role in muscle growth and blood replenishment.

4. How to eat: There are also obvious differences in the eating methods of seven-star fish and black fish. Seven-star fish is especially suitable for stewing. You can also steam it and eat it later, so that people can taste the fresh and tender taste of the fish. Snakehead fish is a kind of aquatic fish suitable for making soup. It is especially suitable for making soup with adzuki beans and winter melon, and it can play an important role in diluting water and reducing swelling after people take it.