1, different varieties. Golden crucian carp (Carassius auratus gibelio) is an excellent new species of freshwater fish breeding in Tianjin New Aquaculture Farm, which combines conventional breeding and biotechnology breeding. Freshwater crucian carp is one of the most common freshwater fish in China.

2. The variety of golden crucian carp is obtained by distant hybridization with mirror carp as female parent and red crucian carp as male parent, which can be cultured in ponds all over the country, and the clear-water crucian carp lives in the main water system outside the Qinghai-Tibet Plateau.