Types and names of fish in the hotel: miscellaneous fish, river fish, big fish, hotel staff.

According to the records of Jiande County Records in the 22nd year of Emperor Kangxi of Qing Dynasty (1683), bony fishes include herring, bream, grass carp, silver carp, bighead carp, carp, catfish, herring, herring, stone carp and perch. "Xiaoshan County Records of the Republic of China" records carp, crucian carp, silver carp, bighead carp, herring, grass carp, bream, snakehead (i.e. yellow catfish), tongue sole (flounder) and sand sole (treading fish). There are four gills along the coast (commonly known as fire-broken head), as well as whitebait, shad, catfish, mullet, eel, mandarin fish, mackerel, bighead carp, Jiayu, plum fish (also known as plum foreman or Japanese elk fish) and stone fish.

After liberation, nearly 10 new species were introduced from abroad and outside the province, including white crucian carp, catfish with leather beard, California bass, Nile tilapia, rainbow trout and bream.

According to the investigation data in the early 1980s, there were 42 species of fish 142 in the city, belonging to 12 orders and 3 1 families. Among them, Cypriniformes are divided into 3 families and 83 species, accounting for 58. 19% of the total species, Perciformes 14.9%, Siluriformes 10.6%, and other 9 orders 15.6%. There are more than 40 kinds of main economic fish, and cultured fish mainly include silver carp, bighead carp, grass carp, bighead carp, bighead carp, Changchun fish, carp, crucian carp, white crucian carp, Nile tilapia, yellow-tailed fish, silver carp and mullet.

The composition of natural fish in Hangzhou waters has three characteristics: first, slow-flowing fish in rivers and settled fish in lakes are the main ones; Secondly, there are many freshwater fishes in Qiantang River, including freshwater fishes 1 19, estuarine fishes 23, and migratory fishes 14. Third, there are more than 80 species of fish in the canal section, second only to Qiantang River system. The riverbed gradient of Dongtiaoxi River is large, and the stream is short and urgent. Most of them are mountain stream fish, and there are 56 species of pure freshwater fish.

Changes in water and hydrological conditions have a great impact on fish populations. Since the storage of Xin 'anjiang Reservoir, the fish population has changed from river type to lake type. The river fish such as grouper (that is, grouper) and acacia fish (that is, warship fish) mostly inhabit the shallow water area of the tributary of the reservoir, and these two kinds of fish are on the verge of extinction due to the continuous occurrence of pesticide application, fish frying and poisoning incidents on the upstream bank. Xin 'anjiang Reservoir and Fuchunjiang Reservoir were built one after another, and the fish migration route was cut off. The catfish, silver carp, perch, sole, eel and other estuaries in the reservoir area, anadromous fish and the precious aquatic product Zi Ling fish have disappeared or are on the verge of extinction, and the catfish, fish bones, catfish and other intertidal and estuarine fish have disappeared. According to 1958, there are 6 1 species in the 23km section from Xin 'anjiang Dam to Mamu. After 1975, the number decreased to 39 species. Among them, the population of Siniperca chuatsi, Siniperca chuatsi, Siniperca chuatsi, stork and other fierce fish has increased rapidly due to the improvement of habitat conditions.