The living habits and nutritional value of the blade silverfish

Pseudolaubuca sinensis belongs to the order Cypriniformes, family Cyprinidae, subfamily Pseudolaubuca, and genus Pseudolaubuca sinensis. Commonly known as: floating fish, basket slices, basket blade, thin slices.

The body is long, the head and body are extremely flat and thin, and the outline of the back of the body is straight. Mouth end position, oblique cleft; mandibular center with a dome, consistent with the depression in the center of the maxilla. Big eyes. Body scales are smaller. The dorsal fin is short and has no spines, and the longest fin is about half the length of the head. The base of the anal fin is long; the caudal fin is deeply forked, and the lower lobe is slightly longer than the upper lobe. The lateral line curves sharply downward above the pectoral fin, forming an obvious angle, extending below the longitudinal axis of the body and parallel to the abdomen, to the caudal peduncle, then bending upward and turning into the center of the caudal peduncle. The ventral ribs are very obvious, from the isthmus to the anus. The back of the body is bluish gray and the belly is silvery white. The dorsal fin, anal fin and caudal fin are gray-black, and the pectoral fin and pelvic fin are light yellow.

The silver fish is a small fish commonly found in rivers and lakes, and can live in both still and flowing water. They like to drift in shallow water areas, move quickly, and often swim in groups on the water, so they are also called floating fish. Overwinter in deep water layers. Feeds on small fish, zooplankton and plant debris. The individual is not large, but the fecundity is strong. The egg-laying period is in May and June, and the absolute number of eggs is about 3,400.

It is widely distributed in the Liaohe River, Yangtze River, Qiantang River, Minjiang River, Hanjiang River, Pearl River, Yuanjiang River and other water systems in my country.

The silver fish is a common small economic fish that can grow up to more than 26 centimeters. Although the individuals are not large, they are widely distributed, have strong fecundity and are quite numerous. They are a very common food fish. Its meat quality is quite good, and if it can be made into cans, its value should be comparable to that of sardines.

P. engraulis, commonly known as: basket slice, basket knife, floating fish. It belongs to the same species as the silver fish. The difference is that the body scales are slightly larger, and the lateral line scales are below 60; the lateral line gently folds downward at the pectoral fin, forming a wide arc; the anal fin has fewer branched fins, only 17-21; although the body is laterally flat, it is thicker . The living habits of the two fish are quite similar. The oligoscale floating fish is slightly smaller in size, with the largest being about 13 cm. The number is smaller than that of silver fish, and they are often mixed together in the catch. Distributed in the Yellow River, Yangtze River, Jiulong River, Pearl River and other water systems.

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