Bass has freshwater fish and sea fish. Perch is not a single fish, in fact, there are many kinds of fish can be called perch, perch, also known as perch, four-ribbed fish, and the Yellow River carp, Mandarin fish, Heilongjiang Xingkai Lake whitefish and known as "China's four major freshwater fish", perch are produced in China's coastal areas, including the Yellow Sea and the Bohai Sea region, the majority. Perch is one of the common economic fish, but also the development of sea water aquaculture varieties, nutritious, containing protein, fat, carbohydrates and other nutrients, but also contains vitamin B2, niacin and trace amounts of vitamin B1, phosphorus, iron and other substances. There are many varieties of sea bass: largemouth black bass, river bass, Songjiang bass, sharpnose bass, big-eyed lion bass, sea bass and so on. One of the most common four species, sea bass is distributed in the coastal and estuarine saltwater-freshwater confluence, Songjiang perch sexual maturity after descending the river into the sea to spawn and young fish back to the freshwater rivers and rivers to live, California perch inhabited in the turbidity is low and there is the distribution of aquatic plants in the waters of the river, the river perch is distributed in the temperate zone of the Eurasian continent and the cold zone region of freshwater fish.

The difference between sea bass and river bass is mainly manifested in:

1, survival difference: saltwater bass mainly live in the sea, leaving the sea water will soon die, so the market sells saltwater bass to chilled or frozen mostly, basically can't buy live; freshwater bass mainly live in rivers and lakes, the ability to survive, so in the market sells the freshwater bass, with the The most important thing is that you can't buy them live, so it's a good idea to buy them live.

2, the appearance of the difference: sea bass is the most obvious "sign" is a lot of black dots on the back of the fish, while the river bass is not. Appearance of large and thick, basically saltwater bass; small and flat body, basically freshwater bass.

3, taste difference: sea bass meat is more "faggot", fishy flavor is heavy. The river bass meat is elastic, and more palatable.