What kind of edible fish is the most expensive, and how much is it per catty?
The most expensive fish are some famous, delicious and rare fish. There are different kinds of the most expensive fish in different places, which are regional and changeable. For example, in the middle and lower reaches of the Yangtze River, the most expensive swordfish in the Yangtze River is several thousand yuan a kilo, and the most expensive kanglang fish around Fuxian Lake in Yunnan is 2,000-3,000 yuan a kilo.