Why is it called Big Fish Lantern Festival?

It means there are fish every year. According to Changjiang Daily, the word "fish" of carp is homophonic with the word "fish" which has been used for more than a year, hence the name "Big Fish Lantern Festival". The big fish lantern festival in East Lake is a traditional custom in Wuhan people's hearts. Behind the lively lanterns, lantern groups and performing arts activities, history, culture and emotion are carried and conveyed through the ceremony content.