puffer fish is a delicious food, but it is also a poisonous fish. Eating puffer fish requires great care and must be handled and cooked professionally before it can be eaten safely. In Shanghai, some restaurants offer puffer fish delicacies. The following are some restaurants with good reputation:

1. Xinyahuang Restaurant: Located at No.171 Nanjing West Road, Huangpu District, Shanghai, it is a high-class restaurant with Cantonese cuisine as the main food. Xinyahuang's puffer fish is very good, using fresh puffer fish, after careful treatment and cooking, to make delicious dishes.

2. Hongruixing: Located at No.468, Huaihai Middle Road, Huangpu District, Shanghai, it is a restaurant mainly serving Shanghai cuisine. Hong Ruixing's puffer fish is also very famous, with exquisite cooking skills and very good taste.

3. Old Wharf: Located at No.515, Zhongshan South Road, Huangpu District, Shanghai, it is a seafood-oriented restaurant. The quality of puffer fish in the old wharf is also very good, with various cooking methods and rich taste.

4. Wanghong Pufferfish Restaurant: Located at No.1611, Nanjing West Road, Jing 'an District, Shanghai, it is a restaurant specializing in puffer fish. Wanghong puffer fish restaurant has a wide variety of puffer fish dishes with exquisite taste, which are deeply loved by diners.

You need to be very careful when eating puffer fish. You must choose a certified restaurant and follow the advice of a professional chef.