Is grouper a marine fish or a freshwater fish?

Grouper, also known as grouper, bream, black cat fish, etc., lives in seaside stone crevices, nutritious, delicate and white meat, similar to chicken, known as "sea chicken", known as carp in the sea, actually higher in edible value and taste than carp, and more expensive than common fish. Let's take a look at whether grouper is a marine fish or a freshwater fish.

Is grouper a marine fish or a freshwater fish?

Grouper has both marine fish and freshwater fish. Grouper mostly live in tropical and temperate oceans, like to inhabit reefs, gravel and coral reefs near coastal islands, generally not in groups, and the water layer rises and falls with the change of water temperature. Freshwater grouper can grow in fresh water or in seawater with a salinity below 10 ‰. In the Minjiang River system, Yangtze River tributaries and other rivers in western China, there is also a kind of native grouper, which is relatively small.

What kind of food does grouper eat?

Grouper is a ferocious carnivorous fish. it preys on benthic crustaceans, various small fishes and cephalopods by surprise. They like calm and waves, warm and cold, and clear and turbid. They are common on the seafloor at depths of 10 to 15 meters, especially in rocky reef caves and coral zones. It is distributed at a depth of 10-30 meters in summer, 2-3 meters in midsummer, and swims to a depth of 40-80 meters when the water temperature drops in autumn and winter. The suitable temperature range is 15-34 ℃, and the optimum water temperature is 22-28 ℃. It is suitable for a wide range of salinity and can survive in the sea area with salinity above 10 ‰.

What kinds of grouper do you have?

1. Spotted grouper: spotted grouper is a tropical middle and lower layer fish, which likes to inhabit the bottom sea area of rock reefs, is ferocious, likes to eat fish, shrimp and crabs, kills each other when hungry, and can live in waters with a salinity of 11 ~ 41 ‰. Distributed in the East China Sea, South China Sea and other waters.

2. Red-spotted grouper: red-spotted grouper is a warm water middle and lower layer fish, adult fish feed on fish, shrimp and crabs, hermaphroditic, female first mature, has been artificially propagated, distributed in Taiwan, the East China Sea, South China Sea, India and Japan.

3. Grouper: grouper is a warm water middle and lower layer fish, larvae and juveniles feed on plankton, adults feed on fish, shrimp, crabs, etc., androgynous, which are cultured in the shallow waters of China and Southeast Asia. Distributed in Taiwan, East China Sea, South China Sea and Japan.

4. Epinephelus Epinephelus: Epinephelus Epinephelus is a widely salty fish, mainly distributed in the Red Sea, often living along the coast of the mainland and large islands, but can also be found in estuaries and waters 100 meters offshore.

5. Freshwater grouper: freshwater grouper originated from Central America and was introduced to Taiwan in 1988. It is a common freshwater culture species in southern Taiwan. Guangdong and Jiangxi aquaculture units were introduced from Taiwan in 1996 and Jinan Freshwater Culture Research Institute in 1999.