Question

Bill is a fisherman on the Gulf Coast, and he has noticed that over the past several years, the shrimp population has grown smaller. He wants to come up with a way to keep fishing for shrimp, but at the same time, he doesn't want the shrimp numbers to drop any further.
How could Bill accomplish this?

Answer 1

Keep fishing for shrimp,but at a rate that lets the shrimp population start to grow again.

Answer 2

Bill could catch the fish for sport and throw them back into the coast!