Anabarilius alburnops belongs to the order Cypriniformes, family Cyprinidae, subfamily Anabarilius, and genus Anabalius. Commonly known as: small white fish. English name: Silver minnow.
Endangerment level: Endangered.
The body is long and flat on the sides, with the back of the head slightly bulging and then straight, the ventral edge is arc-shaped, and the ventral rib extends backward from the base of the pelvic fin to the anus. The head length is slightly longer than the body height. Tip of the kiss. Mouth position, lower jaw slightly protruding. No need. Big eyes. The lateral line is sharply curved above the pectoral fin. The scales are extremely small, with 76-81 lateral line scales. The last unbranched ray of the dorsal fin is a hard spine with a smooth trailing edge, and its starting point is located above and behind the starting point of the pelvic fin; the thoracic, abdominal, and anal fins are all short and small; the caudal fin is forked. The body is silvery white, the back is slightly darker, the abdomen is lighter, and each fin is grayish white.
Lives in the middle and upper layers of water bodies, often foraging in aquatic vegetation. Food habits are mixed, and the food composition is different at different growth stages. When the body length is 110-170 mm, cladocerans are the main food, followed by filamentous algae, small fish and shrimps. When the body length is 171-335 mm, small fish are the main food. Shrimp and shrimp are the main food, while cladocerans are rare. The growth rate is slower than that of the closely related scaly white fish (A. polylepis, commonly known as: big white fish, peach blossom white fish) living in the same lake, so it is called small white fish. The accessibility of fish reaches maturity in 1 winter, and they cluster in gravel beaches in shallow water areas to spawn in April.
Silver-white fish is a species endemic to my country and is only found in Dianchi Lake in Yunnan.
It is a small and medium-sized fish, with a body length of generally 150-250 mm and a weight of about 54-270 grams. Before the 1970s, it was the main economic fish in Dianchi Lake, accounting for 50% of fish production. Due to the land reclamation of Dianchi Lake, the lake surface has shrunk and the lake basin has become shallower, destroying the habitat for aquatic life to breed. In particular, the gravel tidal flats at the spawning sites have been severely damaged, forcing the migration of silvery white fish spawning sites, and the new spawning grounds are being It is a water pollution area. The destruction of the water environment, excessive fishing, and errors in the introduction of species into the lake have led to a significant decline in the amount of silvery white fish resources that are only distributed in Dianchi Lake. It is now only seen occasionally during the fishing season.
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