Red Spotted Fish: a deep-sea fish, also known as the stone dog male, due to the body of the red spots, so the name. Hong Kong, Guangdong area hotels often use its production of high-grade dishes. The body is medium-long, laterally compressed, with many color variations, usually brown or red with stripes and spots. It is a famous specialty of Shengsi sea treasures, which has been highly praised by Chinese and foreign gourmets. Red spotted fish is rich in protein, the most important nutrient needed for growth and development. Protein contains a variety of essential amino acids, which is a high-quality protein food for human beings, and it also contains linolenic acid, arachidonic acid, linoleic acid and other essential fatty acids and eicosapentaenoic acid and docosahexaenoic acid, which is not only a high-quality food and health care nutrient, but also able to Antithrombotic, reduce blood viscosity, make blood pressure drop, can be used to prevent and treat myocardial infarction, coronary heart disease, vasculitis, cerebral arteriosclerosis and many other diseases. At the same time, fish can activate brain nerve cells and improve brain function.

Huanghua fish: stonehead fish (drum ), also known as yellow croaker, also called river fish. This fish out of the water can be called, luminous at night, there are stones in the head like chess pieces, so called stone head fish. The drum is a collective name for about 160 species of fish in the Perciformes (Perciformes) family Sciaenidae (Sciaenidae). Generally benthic, carnivorous, most of the distribution of warm sea or tropical coast, a few live in temperate or freshwater waters.

Difference between yellow croaker:

Yellow croaker, similar in shape to the large yellow croaker but small. The body length is about 20 centimeters. Lateral line scales 60 to 63. dorsal fin IX 34 to 36, starting point opposite to the start of the pectoral fin. Anal fin II 9, starting slightly behind the middle of the dorsal fin rays. Pectoral fin 19, long and pointed, ending beyond the end of the ventral fin. Ventral fin slightly shorter than pectoral fin. Caudal fin cuneate. Dorsal side of body grayish brown, sides and ventral side yellow, dorsal fin margin grayish brown. It has migratory habits.

The yellow croaker is non-toxic. The yellow croaker belongs to the order Perciformes.

Difference between the red-spotted fishes:

The dorsal fins of the anchovy family are armed with sclerotized spines 11-13, some of which are venomous, whereas this subfamily is characterized by a continuous groove on the lateral line, a body clothed in rounded scales, and inconspicuous orbital ridges on the lower eyes. Eyes and mouth large; jaws toothed; three spines between lower eyes; one large and branching tentacle between upper eyes; body red. It inhabits water depths of 30 to 200 meters. The red-spotted fish belongs to the subfamily under the family Stenidae.