The small fish have been brought to account for their role but the big fish are still free and dangerous.
Costello is undoubtedly a big fish for the Boycott, Divestment, and Sanctions movement.
This is because being a big fish in a little pond has significant advantages.
They gleefully announced that Holbrooke was my “best friend” and that I was a “big fish.”
I had come to Robinson from a tiny school at an overseas post my dad was assigned to, where I had been a big fish in a small pond.
My boatman put on speed, and, as my boat is fast, it did not take us long to get somewhere near where this big fish broke.
Finally the call of my name made me jump as a sardine does when pursued by a big fish.
The shark's triangular jaws snapped upon their prey, biting the big fish in halves.
He has not my intimate knowledge of big fish, but he did not seem to need that.
As it was, time passed swiftly and as swiftly the big fish battled for freedom.
An important person; big shot: landed herself a big fish—an old guy with money and power/ the sports authoritarian and local big tuna (1830s+)