Huangshui fish is a specialty of Qinghai Lake, known as its tender and flavorful plateau, now for the national rare protected animals. It is in the fish belongs to the carp family, the scientific name is called "Qinghai Lake naked carp". Huangshui naked, almost no scales, body similar to fusiform, head blunt and round, mouth in the front of the head, beardless, back gray-brown or yellow-brown, gray or yellowish abdomen, the body on both sides of the irregular brown patches, fins with light gray or light red. There are also individuals with light yellow or dark green coloration all over the body. Years of man-made indiscriminate fishing has caused a large number of Huangshui in Qinghai Lake sharp decline, due to global warming, atmospheric drought, precipitation reduction, coupled with the water level of Qinghai Lake declined year after year, salinity and alkalinity rising, Huangshui's survival has been greatly affected. At present, the Qinghai Lake Huangshui resources have been less than one-tenth of the initial development. From 1994 began the Qinghai provincial government has carried out 3 times closed lake fish measures, in 2001 and the fourth order on the Qinghai Lake implementation of closed lake fish, for a period of 10 years. Huangshui fish is Qinghai Lake unique fish. "The water around the fish, color yellow without scales ......" This is the earliest record of the Huangshui fish, seen in the Qing dynasty during the Qianlong period of the "Xining province new record". Scaleless characteristics for it won the "Qinghai Lake naked carp" scientific name. Huangshui's ancestor is the Yellow River carp, originally scaly. 130,000 years ago, the Qinghai Lake because of geological movement into a closed lake, later evolved into a saltwater lake. In order to adapt to the increasingly salty lake water, the yellow river carp scales gradually degradation. It is said that Huangshui carp only grow 1 two meat every year.