Thanks tothe mountain spring waterand the oxygen supply, it can last until tomorrow.
Details
Grouper generally refers to fish of various genera of the grouper subfamily of the Perciformes family. Groupers belong to the class of ray-finned fish. They have thick bodies and large mouths and are not suited to swimming long distances quickly. Groupers are quite large, reaching over a meter in length and weighing over 100 kilograms. However, there are many types of grouper and their body sizes vary. Inhabits coastal rocks, hilly and gravelly marine areas, coral reefs, wrecks or artificial reefs and other waters.
The grouper is a typical predatory carnivorous fish. It relies on its sensitive vision and ability to detect light and colors, and often preys on fish, shrimp, crabs, octopus and even sea creatures such as vines. pots particularly like to eat fresh animals. It is an endangered species.
Appearance characteristics
The grouper is a member of the Species of the order Perciformes, the head is larger than that of other fishes and most species belong to the large grouper caught in the South China Sea.
Large species, compared to others tropical fish, body color is less bright. , almost corresponding to the surrounding rocks. The colors are very similar. The perch order, which includes groupers, is the most diverse order of fish. The grouper has a broad body and flat sides. The body is covered with fine comb-like scales and the lateral lines are complete. The mouth is large and slightly inclined.
There is a well-developed auxiliary maxillaloped. There are a few large canines in the front of both jaws and the teeth on both sides are thin and sharp. The posterior edge of the preopercular bone is serrated. The operculum has two thick spines. The vomer and jaw bones have fine teeth. The dorsal fin has 11 powerful spines connected to the fin rays, with 14 to 18 rays.
The above content refers to Baidu Encyclopedia - Grouper