Gentian fish are usually more expensive than grouper. Gentian, also known as gentian grouper, is a large and black-colored fish. Farmed gentian fish is more expensive at about $56 a pound, while wild ones are more expensive at about $130-220. On the other hand, the price of grouper is relatively low, with farmed grouper costing about $45 a catty, and sometimes even as low as $40. In addition, prices of pearl amberjack in Hainan, Zhanjiang in Guangdong, Maoming in Yangjiang in Guangdong and Fujian were also reported, showing that they ranged from RMB 34.5-36 per catty to RMB 158 per catty. Thus, based on the information provided, the price of gentian fish is generally higher than that of grouper.