This is an illustration to Yuri Andrukhovych`s book Perverzion
One of the characters in this book loved to host parties where the main entertainment was the following:
He dropped some small fishes into a fishtank and gave them some food first. Then he placed several bigger fishes into the fishtank, and they ate the smaller ones. Finally, he dropped the largest fish (that he referred to as `The Fish` into the tank and it ate everyone else. Then he ordered his servants to cook the large fish and to feed it to his guests.
The illustrations below (that I drew on my tablet) reflect this multistage process: