Tanichthys albonubes belongs to the order Cypriniformes, family Cyprinidae, ("fish" on the left, "dan" on the right) subfamily, and the genus Tanichthys. Commonly known as: red tail fish, white cloud golden fish, white cloud mountain fish, and dun fish. English name: White cloud mountain minnow.
Endangerment level: extinct (wild). China's national level II protected wildlife.
The body is small, with the largest individual not exceeding 30 mm. The body is long and flat on the sides, the abdomen is round, and there is no abdominal rib. The head is small and round. The muzzle is short and blunt. The mouth is small, subsuperior, the cleft is downward sloping, and the mandible is protruding. Thin lips. No need. Big eyes. The scales are large, the lateral line is not obvious, and the scales are 30-32 in length. The dorsal fin is short and opposite to the anal fin; the pectoral and pelvic fins are small. The body is olive green, with golden yellow vertical stripes on the central axis and several black stripes on the upper part. The back and anal fins are green with transparent edges, and the tail base has a large red round spot.
They mostly live in the environment of clear streams and flowing water in mountainous areas. Sexually lively and gentle. Although it is distributed in the subtropical zone, it can still tolerate cold and can still live normally when the water temperature reaches 5℃. It is an omnivorous small fish that mainly eats zooplankton and humus. Broodstock can breed more than twice in spring and summer. The female parent fish only lays dozens of eggs at a time.
Tang fish is a species endemic to my country, with a narrow distribution area. In modern times, it is only distributed in Baiyun Mountain, Huaxian County, Guangdong Province, and mountain streams near Guangzhou. Due to the low reproductive capacity of this species and the small population, the number of individuals was originally rare. In recent years, as a result of human activities, its ecological environment has been severely damaged, making it difficult to find traces of Tang fish in nature. Tang fish is a famous ornamental fish, which is relatively common in artificial breeding in Southeast Asia, Hong Kong and other places, and exported to all over the world.
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