According to the qing emperor kangxi twenty-two years (1683 years) the building heart editing "account: bony fishes have green, national group callisthenics, careless, silver carps, it, cyprinus, minnow, catfish, Li, Shi, stone Fu, weever, globefish fish, fruit changling, spring besmear fish etc. Roc "xiaoshan editing" account: have carp, crucian carp, silver carp, it fish, the herring, grass carp, BianYu, Li Chang (namely yellow Sang), pomfret (flounder Li (soil), sand step fish). There are four coastal people (ghost gills fire zhe head), as well as whitebait, ShiYu, Nian, Zi, eel, mandarin, minnows, Ji meal, 鱵 fish, JiaYu, mei fish (also called mei male head or day fish), elk grouper, streams mandarin, etc. Br/> <<> br/liberation, successively introduced from foreign and domestic new varieties of 10, form scale cultivation of white minnow, leather beard bindus, California bass, Nile tilapia, didn TuanTouFang (BianYu), etc. Br/> <<> br/according to the early 1980s survey statistics, the city has 142 fish species, belonging to December 31 families. Eyes Among them the carp shape eye points 3 subjects 83 species, total varieties of 58.19%, perch shape eye some 14.9%, catfish shape eye accounted for by 10.6%, other 9 eyes of 15.6%. The main economic fishes have 40 types, breeding of fishes are mainly of silver carps, it, careless, TuanTouFang, triangle mentioned, changchun, cyprinus, national group callisthenics minnow, white minnow, Nile tilapia, yellow tail dense Gu, silver Gu, Zi fish, eels, barracuda, carp, the herring varieties such as pouch. Br/> <<> br/hangzhou waters natural fish composition has three characteristics: it is flowing rivers and lakes settle sex sexual fish, fish is subject; 2 it is numerous, sodium qiantang river water fish freshwater fishes have 119 species of fish, estuary sex 23 species, including migratory fishes have 14 kinds of sex, The third is the canal section fish have more than 80, after the qiantang river. East shao creek bed slope degrees, stream anxious, many short flows for mountain streams of fish, have pure freshwater fish 56 kinds. Br/> <<> br/water areas and hydrological conditions change, to bring greater influence fish populations. Xin 'an river reservoir impounding fish populations since from rivers, lakes type type to transformation, light lip fish (namely grouper), barbed discipline (namely army fish) such as sexual rivers, more fish hill reservoir rerches in shallow waters, due to upstream of the tributary cross-strait cast pesticides and Fried, poison fish events take place continuously, make these two species of fish are on the brink of disappear. Xin 'an river, fuchunjiang reservoir successively built, fish migration channels to be apart, Shi, Ji, Zi, Ta perciformes,, ell estuary sex, SuHeXing fish and precious son in reservoir area changling fish aquatic products, b. disappeared or are on the brink of extinct, etc Gu fishbone, brook, estuary sex between sexual fish for regional distribution of change, in reservoir area disappear or reduced. Xin 'an river dam to horse mesh 23 km, total according to 1958 resoureces investigation, there were 61 before 1975 resoureces after investigation to reduce to 39 species. Among them Bo, mandarin, catfish, 鱵 sexual fish, because such fierce habitat conditions to improve, population increase quickly. .
