Generally larger Wuchang fish meat is harder, thicker, steam time should be controlled to 18-20 minutes, because the steam time is short for fear of not cooked, long time for fear of old, time must be controlled. Before steaming, be sure to change the knife, so that it is easy to cook. And if there is a little bit of undercooking, you can turn off the fire after not immediately put the fish out, you can cover the pot for another two minutes, so it is just right.
On this question of how long to steam Wuchang fish, there are several answers, because the size of the fish, the size of the steam are determined by the length of time to steam fish. So I summarize two time, small point of Wuchang fish it is generally boiling water in the pot to start timing 5-8 minutes can be, because the time is long for fear of fish steamed old, time is short, and afraid of fish steamed, so steamed fish, then, time is the key.