Lin's thin crucian carp (Aphyocypris lini) belongs to the order Cypriniformes, family Cyprinidae, ("fish" on the left, "dan" on the right) subfamily, and the genus Aphyocypris lini. Commonly known as: golden fish. English name: Yenus fish.
Endangerment level: extinct (wild).
The body is small, long and flat on the sides, the front abdomen is round, and there are ventral ribs from the base of the pelvic fin to the anus. The head is small. The muzzle is round and blunt. The mouth is small and the lower jaw is slightly protruding. No need. Big eyes. The scales are large, without lateral lines, and have 30-32 longitudinal scales. The dorsal fin is short, without spines, and its origin is behind the pelvic fin; the pectoral and pelvic fins are short. The body is yellowish-brown, with a bluish back and a white belly. There is a narrow red-yellow stripe on the central axis of the body. There are blue and black stripes above this stripe, and a blue-green stripe with flashes below. There is a golden blue stripe around the base of the tail. spot. Each fin is grayish white.
Lin's crucian carp is a small fish that lives in subtropical areas. It inhabits rivers and small rivers in southern my country. It has high requirements for water quality and lives in shallow water with clear water quality and flourishing aquatic plants.
This species is only distributed in creeks in the New Territories of Hong Kong, and its number is very small. Due to the construction of water conservancy facilities and soil erosion, some rivers in the production area have been cut off and their habitats have been destroyed, eventually leading to resource depletion and extinction. At present, only people in Hong Kong, Macao and Southeast Asia are raising and breeding them as ornamental fish, and exporting them to Europe and the United States.
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