As the question ? Though they are all in the same family, ? They all taste good and are not all in the grouper genus ?

Tiger grouper Brown-marbled grouper ? The scientific name for the grouper is Brown-marbled grouper.

Grouper family ? Serranidae Grouper genus ? Epinephelus Fish

The picture below shows ? Epinephelus fuscoguttatus (brown spotted grouper) ?

Body long oval, laterally compressed and stout. The mouth is large, with well-developed auxiliary maxillae, and a few large canines at the anterior end of the upper and lower jaws, the teeth on both sides being finely pointed and may be inverted inward. The posterior margin of the anterior gill cover bone is generally serrated, the lower margin is smooth, the posterior margin of the gill cover bone has two thick spines, the gill rakers are medium-long and few in number. Body covered with fine pectinate scales, dorsal fin spines attached to fin rays without notches. The caudal fin is rounded, truncated or concave.

The?humpback grouper Scientific name?

Serranidae ? Chromileptes Chromileptes marine fish ?

Below is a picture of a humpback grouper, Cromileptes altivelis.

A fish that lives in nearshore coral reef waters. It is found from Indonesia to East Australia in the Indo-Pacific region, and is a beautifully colored ornamental fish as a juvenile, and a highly prized food fish as a tasty adult.

Grouper family Serranidae? Nine-spined bass genus ? Cephalopholis fish

The picture below shows the green star nine-spined bass Cephalopholis miniata? (green star nine-spined grouper, red chopped meat), commonly known as ? Eastern Star Spot ?