1, juvenile fish out of the membrane after 10 days of age to start feeding, the bait is rotifers;

2, and later gradually select the larger and easily accessible zooplankton for food;

3, the order of the unsegmented larvae, copepods larvae, branchiostomatids and copepods adults;

4, the silverfish is a carnivorous fish, with small fish and shrimp as the main food.

Silverfish, elongated body. Nearly cylindrical, the posterior segment is slightly laterally flattened, the body length of about 12 centimeters. The head is extremely flattened. Eyes large, mouth is also large, the muzzle is long and pointed, triangular. Upper and lower jaws equal in length; rows of fine teeth on premaxilla, maxilla, mandible, and mouth cap, and 1 pair of canines on anterior mandible. Anterior end of mandible has no anterior united bones, but has a fleshy protuberance. Dorsal fin II 11-13, slightly in the posterior 3/4 of the body. Pectoral fins 8 to 9, muscular base not prominent. Anal fin III 23 to 28, opposite the dorsal fin; males have a line of large scales, usually 18 to 21, on each side of the base of the anal fin. The dorsal and caudal fins have a small transparent blubber fin in the center. The body is soft and scale-free, transparent, and milky white after death. Some silverfish on the market are fumigated with sulfur to preserve freshness and color, and are earthy yellow after standing, so it should be noted that they should not be purchased. There is a row of black dots on each side of the body, and on the ventral surface, there are two parallel rows of small black dots from the chest through the abdomen to the front of the anal fin, which are separated from each other along the base of the anal fin, and then merge into one at the back end, reaching the base of the tail. In addition, small black dots are also scattered on the first fin of the caudal and pectoral fins. Because of the small size of the silverfish, the transparency of the flesh is better, and the black dots are top quality when they are translucent and make the whole bright gray.

Silverfish (salangid) is a freshwater fish, survival distribution in East Asia in brackish and freshwater, in China is known as a delicacy. The body is slender and salmon-like, without scales or with fine scales. Silverfish can be divided into small and large silverfish, with the large silverfish growing to about seven to ten centimeters in length, rarely longer than 15 centimeters (6 inches). The mouth is large and the teeth are large and sharp, predatory fish. The silverfish is named for its long, slightly rounded body, delicate and transparent, and silver-like color. It is produced in the mouth of the Yangtze River, and is commonly known as the noodle Joe fish, cannonball fish, handsome fish, noodle fish, ice fish, glass fish, etc.. Wabu Lake silver fish as a representative, as early as the Ming Dynasty when the Songjiang perch, Yellow River carp, Yangtze River anchovy, and known as China's four great fish.