CATDOLL : CATDOLL: How to tell whether grouper is saltwater or freshwater?

How to tell whether grouper is saltwater or freshwater?

Grouper is rich in nutrition, delicious, low in fat and high in protein . It is considered one of the four famous fishes in China in Hong Kong and Macao, and is a must-have high-quality edible fish for high-end banquets. It is expensive and has high economic value. It is one of the important farmed fish in China's coastal areas and has been widely farmed in China and Southeast Asian countries.

How to tell whether grouper is saltwater or freshwater?

First, the size is different. Saltwater grouper is relatively large, while freshwater grouper is much smaller. Second, the price is different. Saltwater grouper is much more expensive, while freshwater grouper is much cheaper.

The main differences between freshwater grouper and saltwater grouper

1. Different living environments

1. Freshwater grouper is a tropical fish that grows in fresh water and can also grow in seawater with a salinity of less than 1%. Its suitable temperature range is around 30 degrees. When the water temperature drops to 20 degrees, its food intake decreases significantly. When the water temperature drops to 15 degrees, its body loses balance. Therefore, areas where the water temperature drops below 15 degrees in winter are not suitable for the growth of freshwater grouper.

2. Marine grouper is found in waters 10 to 30 meters deep in spring and summer, and 2 to 3 meters deep in midsummer. When the water temperature drops in autumn and winter, it swims to deeper waters 40 to 80 meters. The suitable temperature range is about 34 degrees, and the most suitable water temperature is 28 degrees. It has a wide range of salt adaptability and can survive in waters with salinity above 1%. It is a carnivorous and ferocious fish that preys on benthic crustaceans, various small fish and cephalopods by surprise attack.

2. Different market prices

1. Freshwater grouper price

Freshwater grouper has the advantages of fast growth, tolerance to low oxygen, high yield, strong disease resistance, and delicious meat. The current market price is 70 yuan per kilogram. However, the price of freshwater grouper varies in different places. In some places, the price of freshwater grouper is between 50-60 yuan. If it is a dead freshwater grouper, the price is mostly between 40-50 yuan.

2. Price of sea grouper

If it is farmed seawater grouper, the price is 30-40 yuan/jin, while wild grouper is 80-100 yuan/jin. But if it is red grouper living in the deep sea, the price is much higher than the first two, and the general price is 270 yuan/jin. However, the price of seawater grouper from different origins and years will also be different. (This price is for your reference only) Generally speaking, the main difference between freshwater grouper and seawater grouper is their living environment and market price. Freshwater grouper is much cheaper than red grouper living in the deep sea. If conditions permit, friends can still try seawater grouper, and the taste is expected to be extraordinary!