The tiger grouper is a common species of grouper, and the main difference between the two is reflected in three aspects, as follows:

1, mouth morphology: the mouth of the grouper is short and sharp, while the mouth of the tiger grouper is wide and large;

2, fin morphology: the grouper has no dorsal fin, while the tiger grouper has dorsal spines and sharp spines;

3, body shape and appearance: Grouper general body in the long, side flat, colorful, varied, often brown or red, and has stripes and spots, body clad in fine pectinate scales, dorsal fins strong, body color can change with the environment. The tiger spotted fish has a long oval body, laterally compressed and stout, covered with fine pectinate scales, and the dorsal fin spines are connected with the fin rays, without notching.

Expanded Information

1, grouper meat is fat and tender, rich in nutrients, well received by the people's praise, is regarded as a superior delicacy, in short supply, and thus the price of grouper is generally higher. And there are many kinds of grouper, ****163 kinds.

2, tiger grouper front gill cover bone posterior margin generally serrated, the lower edge of the smooth, gill cover bone posterior margin with two coarse spines, gill rakers in the long, fewer in number. Body covered with fine pectinate scales, dorsal fin fin spines connected with fin rays, no notch, generally with 11 fin spines (rarely 10), 14-18 fin rays, anal fin with 3 fin spines, 8-9 fin rays, the first fin spine is the strongest. Caudal fin rounded, truncate or concave. Pyloric blind sacs 10-20.

Baidu Encyclopedia - Grouper (animal)

Baidu Encyclopedia - Tiger Spot