As pictured, the grouper is a genus of ? marine fish.

Serranidae ? Serranidae Grouper genus ?Epinephelus fish

Below is the saddle-banded grouper Epinephelus lanceolatus?, commonly known as the dragonfish, gentian grouper, ? The grouper Epinephelus lanceolatus, commonly known as the dragonfly grouper, the gentian grouper, the jack grouper, the wild grouper, the deep-sea grouper, the spearhead grouper, the inverted horseshoe crab, the mandarin duck chopped meat, and the purple grouper, is the largest grouper in the grouper family, and is also known as the "king of the grouper". It is distributed in the Indo-Pacific region, from the east coast of Africa and the Red Sea in the west to southern Japan in the north and northwestern Australia in the south (except the Persian Gulf). Saddleback grouper can also be found in estuaries. It is found in the waters of northeastern Taiwan. This species grows to a maximum length of about 2.7 meters (9 feet) and weighs 440 kilograms.

Saddle-banded grouper usually reside in caves or rock crevices along coral reef areas and feed on several species of marine life, including small sharks and small turtles.