The final animal in the aquarium is the shark, which devours everything in its sight. Eggers explicitly states that the shark symbolizes Tom Stenton, the third and most dangerous Wise Man. Throughout the novel, it seems that Stenton, in spite of his greed and his desire for power, is willing to cooperate with his partners, Ty Gospodinov and Eamon Bailey. However, at the end of the novel, it becomes clear that Stenton, just like the shark, won’t stop until he’s gained power over the entire world.
The Shark Quotes in The Circle
He couldn't get enough of the shark, its anxious circling.
"Until next time," Stenton said finally. He nodded to Mae, and then to her watchers, who were now one hundred million, many of them terrified, many more in awe and wanting more of the same.