In the traditional information service for freshwater fish, there existed several crucial problems involving in the information classification and content organization, which was not clear and specific to serve market and consultancy etc., information refreshing not timely, and information sharing difficult to take, and so on. These problems seriously restricted the development of the freshwater fish and the other relative industries. The “Internet + Strategy”, which has been advocated and carried out in China since 2015, has promoted the formulation of new ideas for information service model to construct and enhance modern production and circulation of the freshwater fish. Based on the analysis of the core and characteristics of information service in the production and circulation for the modern freshwater fish, this study constructed a new information service model consisting of production, sale, transaction and circulation. In the development of the freshwater fish industry for the future, it is necessary and beneficial to accelerate the construction of the information service platform, integrate the information service as well as the improvement of information resources with the merchandise production and circulation, and strengthen the brand building of enterprises, especially the leading enterprises.