珠江由北江、东江和西江三大干流组成。湖南地处长江中游荆江南岸，南岭山脉以北。南岭山脉一带地处我国南北气候的交汇地带，是珠江干流北江、西江的主要发源地之一，湖南所属水系为珠江上游，该区鱼类资源组成区系，有与此相适应的特点，在珠江流域渔业中占有十分重要的地位 The Pearl River is composed of the three major rivers, the North River, the East River and the Xijiang River. Hunan is located in the middle reaches of the Yangtze River Jingjiang South Bank, north of the Nanling Mountains. Nanling mountain range is located in the junction of the climate of North and South China is the mainstream of the Pearl River in the North River, one of the main birthplace of the Xijiang, Hunan belongs to the upper reaches of the Pearl River, the fish resources in the area, there are compatible with this feature, In the Pearl River basin fishery occupies a very important position