Fortunately,as far back as the early 1990s,marine biologist realized that if new measures were not taken,oysters would become extinct or at best a luxury food. So they set up well-equipped hatcheries and went to work.but they did not have the proper equipment or the skill to handle the eggs. They did not know when,what,and how to feed the larvae. And they knew little about the predators that attack and eat baby oysters by the millions. They failed,but they doggedly kept at it. Finally,in 1940s, a significant breakthrough was made