What are the common varieties of sea bass, and where are they mainly produced?

Sea bass is a common aquatic product for us, containing nutrients such as protein, fat, and carbohydrates, as well as vitamin B2, niacin, and trace amounts of vitamin B1, phosphorus, iron, and other substances. It can tonify the liver and kidneys, strengthen the spleen and stomach, and resolve phlegm and relieve cough, and has certain dietary therapeutic effects. So what are the common varieties of sea bass? Where are they produced?

1. Japanese sea bass

Scientific name Lateolabrax japonicus, also known as flower bass, seven-star bass, and bass shark; local names include Zhaihua, Luban, and four-rib fish, among others. It is distributed in coastal waters and at the meeting points of estuaries where seawater and freshwater mix. It is mainly distributed in the coastal shallow seas of China, Korea, and Japan; it is found along all of China's coast, prefers to inhabit estuaries, and can also ascend upstream into freshwater river areas. In China, yields are relatively high in the waters of the Zhoushan Islands in the East China Sea and the Jiaodong Peninsula in the Yellow Sea. It is one of the economic fish species and is also a species developed for seawater aquaculture.

The body is elongated and laterally compressed, with the back slightly raised and both the dorsal and ventral surfaces bluntly rounded; the head is medium-sized and slightly pointed. It generally weighs about 1.5-2.5 kg, and the largest individuals can reach more than 15 kg.

2. Songjiang sea bass

Also called four-gill sea bass, it belongs to the catadromous migratory fish and is the most famous. It was once a very common edible fish along the coasts of China's Bohai Sea, Yellow Sea, and East China Sea.

In recent decades, toxic industrial wastewater, as well as pollution from pesticides and chemical fertilizers, has severely polluted the areas near river estuaries and sea entrances, making it difficult for this fish to enter rivers and lakes to seek food, fatten up, and grow; secondly, due to overfishing and the construction of river dams and other reasons, it has become very rare. It is a Class II nationally protected wild animal in China.

3. Largemouth bass

Also called California sea bass, it is a new variety introduced from the United States. Largemouth bass is native to the United States and is a freshwater fish. In the 1980s, it was introduced into China as a substitute variety for Japanese sea bass. Most of the freshwater sea bass seen on the market today is this variety.

The body surface is pale yellow-green, and the back is dark green. Its identifying mark is a black horizontal stripe in the middle of each side of the body, extending from the head all the way to the caudal fin.

4. River perch

Also called red perch or five-striped perch. In China, river perch has naturally distributed populations only in Xinjiang. Because there are five black vertical stripes on each side of its body, it is commonly called "five-striped".

The body is yellow-green, with 5-9 black vertical bands on the sides, the pelvic and anal fins are yellow to red, and the belly is white; the body length can reach 60 cm. The body is laterally compressed, elongated oval, and the caudal peduncle is relatively slender.

The above are the common varieties and production areas of sea bass. Sea bass is one of the common economic fish species and is also a species developed for seawater aquaculture. Of course, the varieties of sea bass are not limited to the above; there are also barramundi and walleye, among others.

For wonderful pictures and articles and popular comments about sea bass, you may be interested in the content recommended below by Nongxun Network. You are welcome to read.

Agricultural products you may be interested in: agricultural products: nationwide sea bass supply