Han and Liu Xiang said to Shuo Yuan Zhi Wu: "The big ones cut down the small ones, and the strong ones cut down the weak ones, and the Judas fish swallowed the small ones." Later, eat small fish, a big fish, was used as a metaphor for bullying the small and the strong. Yao Xueyin's Li Zicheng, Volume 1, Chapter 14: "Lee Guo thought about it and said,' It depends, Hei Hu Star must still be afraid that we will live here for a long time and will kill eat small fish.' "
Word decomposition
A small or newly hatched fish is a very small adult fish.