1, the characteristics of the rat spot: the rat spot is a low-fat, high-protein top quality edible fish. Body length is generally more than 45 cm, young fish color is lighter, and become fish body color is darker, body dots mottled pattern is more obvious. Mouse spotted fish skin gelatin is relatively rich, meat more spiny, tender meat fiber, taste especially delicious, rather like chicken, known as "sea chicken meat", is one of the seafood of the valuable fish.

2, tiger spot features: tiger spot: common varieties of grouper, body yellow to light brown, to the most beautiful golden yellow, five irregular dark brown spots arranged vertically, the whole body is covered with dense tiny brown spots, in the spots on the spot color darker, the back half of the tail stalk has a small black saddle-shaped spots, thick skin, head and belly of the plump, succulent and crisp.