Silurus shatangensis
Chinese name: Odontobutis sinensis
Latin scientific name: Odontobutis sinensis
Nicknames: Ophiuchus, Tuyu, Tuhanba, Tugougong.
The method of two names: dark sleeper
Field: animal kingdom
Phylum: Chordata
Subphylum: vertebrates
Order: Perciformes
Family: Sinipercidae.
Genus: Odontobutis sinensis
morphological character
Odontobuthus altissima, also known as Silly Fish, Tubo Fish, Tiger Shark and Tauba Idiot, has a stout body, a big and wide head, a little flat, a round belly and a flat back. The mouth is large, upper and oblique, extending below the center of the eye. The upper and lower jaws have fine teeth. The plough bone has no teeth and its eyes are small and protruding. There are two dorsal fins, separated from each other, and each fin has no hard spines. The pectoral fin is large and round, while the caudal fin has a slightly round trailing edge and no lateral line. The body is dark brown with yellow luster, the abdomen is yellowish, and there are irregular big black stripes on the side of the body, and each fin has light yellow and black stripes. Shatang fish like to live at the bottom of rivers and lakes with many weeds, gravel, crevices and sediment. Poor swimming ability. In winter, it lurks deep in the water layer or overwinters under stones, and its main food is shrimp and small fish.
economic value
With the evolution of people's dietary concept from quality to nutrition, the previously neglected Odontobutis sinensis is more and more favored by consumers. With society
With the acceleration of economic development and the aggravation of pollution in natural waters, the living environment of Odontobutis sinensis is constantly threatened, and the resources are sharply reduced, which makes the market price of Odontobutis sinensis steadily rise, and now it has risen to about 150 yuan/kg, which is in short supply. Odontobuthus altissima is a local aquatic product in Xuancheng, Anhui Province. The adult Odontobutis sinensis sold in the market mainly depends on fishing. The breakthrough of Xuancheng Modern Fishery Co., Ltd. in artificial culture technology of Odontobutis sinensis provides a guarantee for large-scale intensive culture of Odontobutis sinensis in ponds. Therefore, according to the market demand, the economic benefits of artificial culture of Odontobutis sinensis will be very considerable.
Living habits
Shatang fish like to live at the bottom of rivers and lakes with many weeds, gravel, crevices and sediment. Poor swimming ability. In winter, it lurks deep in the water layer or overwinters under stones, and its main food is shrimp and small fish.
Reproductive development
1 year-old fish reach sexual maturity, spawning period is from April to early June, and spawning sites are mostly in leeward lakes and bays. On a clear night or at noon, the male fish first camp in caves, broken crocks and clam shells on the shore with a water depth of 1-2 meters, and make a "goo goo" sound to lure the female fish into the nest. Oviposition usually takes place at 6-7 am, and the water temperature is about 18-25℃. Eggs are neatly arranged and adhered to mussels, tiles or stones. The females leave after laying eggs, while the males keep nests to protect the eggs until the larvae hatch.