I want you to notice the scale on the slide, because when you see the same picture from the 1980s, we see the fish are much smaller and we're also seeing a change in terms of the composition of those fish.
请各位留意幻灯片中鱼的大小 因为当看到一张上世纪 80 年代的同样的照片时 我们看到鱼的尺寸要小得多 我们也看到了变化冠军鱼的组成 也产生了变化。