The overfishing of certain species leads to more lobsters. Cod, haddock, pollock and other bottom-feeding fish will eat baby lobsters. The fewer of these fish that exist, the more lobsters grow up to be legal size for the catch.

There needs to be a balance of species for the oceans to be healthy, and I hadn't heard anyone complain of too few lobsters, or lobsters being overfished at all recently, for just that reason. The huge commercial trawlers did lots of overfishing of some areas of New England for years - not the humble fishermen you see in Galilee and similar small ports. I still think of drag-netters as pure evil, and always will.