Speaking of the impact of ocean acidification, treasure crabs worth about 2.2 dollars a year in fisheries may be affected by the reduction of their own food sources and will face a strong downturn in the next 50 years. But pteropods, copepods, are vulnerable to acidification Damaged tiny sea creatures with shells may experience a slight decline because they are abundant enough to withstand most of the effects. At the same time, marine mammals and sea birds are less affected by ocean acidification. From this text, we can see that the author thinks:. ['The market outlook for treasure crab is dim.', 'The development of tiny marine life is optimistic.', 'Ocean acidification affects the development of marine life.', 'Ocean acidification has little effect on marine life.']