Gentiana grouper is a warm-water fish. Also known as Gentiana grouper. It is the largest species of grouper. Gentiana grouper is delicious and mainly produced in Southeast Asia. Gentiana grouper is a warm-water fish, which is widely distributed in tropical and subtropical waters of Indian Ocean, Pacific Ocean and Atlantic Ocean. It was found in the South China Sea in a small number. This fish belongs to the middle and lower benthic fishes. Gentiana grouper is an ideal upstart in mariculture because of its fast growth and high market price.