Longwo Lake has obvious location advantages, superior natural conditions, excellent ecological environment, and very convenient transportation. It is an ideal place for the development of tourism and ecological breeding. The lake has an area of ??10,500 acres at normal water level, an average water depth of 4.5 meters, the deepest point is 12 meters, a pH value of 8.6, dissolved oxygen 8.3mg/L, total phosphorus 0.06mg/L, total nitrogen 0.87mg/L, and transparency 140-240cm . Longwo Lake is rich in fishery resources, with more than 50 fish species growing there. Among them, the cultivated species are mainly river crab, herring, grass carp, bighead carp, silver carp, and bream; the naturally proliferated species include fine-scaled catfish (yellow strip), Chinese soft-shell turtle, eel, mandarin fish, bream, catfish, There are many species such as black fish, yellow catfish, crucian carp, and carp. Longwo Lake has long been famous for its abundance of fine-scaled catfish and river crabs, and is known as the "Hometown of Huangtiao". In 2001, Longwo Lake was designated by the Anhui Provincial Fisheries Bureau as a germplasm resource protection zone for P. tenuis.

Longwo Lake has a wide water surface, luxuriant aquatic plants, and fresh water quality. All aquatic products are grown naturally using natural bait in the lake. Its river crabs are large in size, have good body color, good meat taste, and excellent quality. They have the characteristics of "golden claws, yellow hair, green shell, white navel, yellow fullness, and rich meat". In October 2000, at the Shanghai Anhui Famous Agricultural Products Exhibition, he was hailed as the "King Crab" by Shanghai residents and was highly favored by consumers. ?

In April 2002, Longwo Lake aquatic products were rated as "Fanchang County High-Quality Agricultural Products" by the Fanchang County Agricultural Industrialization Steering Committee. In November 2002, Fanchang County Aquaculture Farm's application for the "Longwo Lake" brand aquatic product trademark was officially approved and registered by the Trademark Office of the State Administration for Industry and Commerce. In December 2003, Longwo Lake was recognized as a pollution-free aquatic product production base by the Anhui Provincial Agricultural Committee. The Agricultural Product Quality and Safety Center of the Ministry of Agriculture has certified it as a pollution-free agricultural product. In October 2005, five products including "Longwo Lake" brand river crab, bighead carp, mandarin fish, fine-scaled catfish, and Sinochem soft-shell turtle were once again certified as green foods by the China Green Food Development Center. On May 30, 2007, CCTV's "Yangtze River Action" column team gave a comprehensive report on ecological breeding in Longwo Lake. In 2011, Longwo Lake in Sanshan District was approved as a national-level aquatic germplasm resource protection zone for Pleurotus tenuifolia.