1. After the bass is steamed, it needs to be stuffy for 5 minutes. One catty of perch is boiled and steamed for 7 minutes (3-5 minutes longer than 2 jins). After steaming, don't lift the lid, stuffy for 5 minutes, fry pepper oil for 5 minutes, then lift the lid and pour it on the fish, and serve. Steaming for 7 minutes and stifling for 5 minutes is the most tender time to steam bass.

2. Perch, also known as sea bass, sea bass, etc. Commonly known as Lateolabrax japonicus, it is listed as one of the "Four Famous Freshwater Fish in China" along with the Yellow River Carp, Mandarin Fish and Heilongjiang Xingkai Lake Mandarin Fish. The species of perch in China is mainly Songjiang perch, also known as four-cheeked perch, also known as tiger fish.