1. There is little difference in nutrients between the two.
Whether it is sea fish or freshwater fish, these two kinds of fish are rich in protein and minerals, and the content of fat is very small. So whether it's sea fish or freshwater fish, it's the best choice of tonic for both young and old.
2, sea fish taste better.
Another difference between sea fish and freshwater fish is that the taste of sea fish is better than that of freshwater fish. This is mainly because of the sea fish grow in the sea swimming range and swimming strength is very large, so the seawater muscle elasticity is better flavor is also more delicious. In addition, the freshwater fish mainly feed on the decaying creatures in the river, and the swimming range is also smaller, the freshwater fish's body and the smell of the earth, so the taste of the sea fish is better.
3, can drink milk after eating fish. If you put a tablespoon of milk into the stewed fish, not only can make the fish soup snow white flavor, but also remove the fishy flavor, so that the fish meat is soft and tender.
Expanded:
1. Sea fish, fish that live in the sea, such as striped bass and yellowtail. Sea fish to fresh water will die, the reason is: seawater density, pressure, sea fish into fresh water will die is because the sea fish blood pressure adapted to seawater pressure, into fresh water after the fresh water pressure is small, the sea fish blood pressure over the water pressure leads to blood vessel burst death. Sea fish is rich in nutrients, suitable for braising, steaming and other methods of cooking and eating.
2, river fish:? Broadly speaking, it refers to the fish that can live in fresh water with a salinity of three thousandths of a degree can be called freshwater fish. In a narrower sense, it refers to some stages in its life history, such as only "juvenile" or "adult", or the whole life must be in the freshwater through the fish. There are more than 26,000 known species of fish in the world, and about 8,600 species of freshwater fish. There are nearly 3,000 species of fish in China, of which more than 1,000 are freshwater fish.
References:
Baidu Encyclopedia: Marine Fish
Baidu Encyclopedia: Freshwater Fish