Sea fish.

The Pearl Spot is a marine fish. The full name of this fish is Pearl Gentian Grouper, and it is a new species obtained through hybridization, where a male Gentian Grouper and a female Tiger Grouper are usually selected for crossbreeding. Since it combines the advantages of these two types of fish, it is a very good food fish because of its fast growth rate and disease resistance. And with its beautiful appearance, it can also be cultivated as an ornamental fish.

Pearl spot culture conditions:

Good wind conditions, waves are not too big, not attacked by typhoons; sandy bottom, gravelly bottom, reef bottom is good, low tide should be more than 4 meters deep; tidal currents are smooth, the flow rate is moderate, the flow rate in the nets to keep in the 0.20 m / s ~ 0.75 m / s is good; the lowest water temperature in winter is not less than 15 ℃, 22 ℃ ~ 28 ℃ water temperature days not less than 200 days; water quality is fresh.

Pearl grouper on the salinity of a wide range of adaptability, between 11 ‰ - 41 ‰ can survive, optimal in the appropriate salinity 25 ~ 32 ‰, pH = 7 ~ 9, dissolved oxygen in more than 5 mg / liter; not subject to industrial and agricultural wastewater, sewage pollution of cities and towns, no large amounts of freshwater inflow in the rainstorm season, the salinity is not less than 16, transparency of more than 1.5 meters; good transportation conditions, live fish transportation, feed The transportation conditions are good, the transportation of live fish and the supply of feed are convenient.