The men, all in their 20s, laughed and cheered as they shot at a shark and then dragged it across the water in a speedboat, officials said.
Medical experimentation on chimpanzees has ended, but moving all of them into retirement will be a difficult task.
Devin Patrick Kelley, a former member of the United States Air Force, had been jailed for domestic abuse, kicked out of the military and charged with animal cruelty.
A new policy banning violent content led to the shutdown of Nazi, racist and far-right forums, among others. Some users challenged the changes.
A City Council member there has proposed a bill that would ban declawing the animals, saying the procedure is painful and unnecessary.
While millions of humans are evacuating ahead of the storm, the relocation of animals is an extra challenge.