Grouper are both marine and freshwater fish. Grouper mostly live in tropical and temperate oceans, preferring to live in sea areas with reef, gravel, and coral reef substrates near coastal islands. Freshwater grouper can grow in freshwater or in seawater with a salinity of 10‰ or less. Grouper are carnivorous and ferocious fish, catching benthic crustaceans, a variety of small fishes and cephalopods in raids.
Grouper, also known as grouper, chopped fish, black catfish, etc., living in the seashore rock crevice, nutritious, tender white meat, similar to chicken, known as sea chicken meat, it is also known as the sea carp. The South China Sea is rich in grouper. In fact, the food value and flavor of grouper is higher than carp, which is more expensive than common fish.
To sum up, the 750,000 grouper in the auction house should be the grouper in the sea, and since the auction house is a professional auction market with complete qualification certificates, the 750,000 grouper is genuine.