But over the coming days, the gobies transform themselves. 但在接下来的几天里 虾虎鱼会改变自己

167. is somewhere that ocean predators can't reach.
     是海洋捕食者无法染指的地方
168. The top of this waterfall.
     这座瀑布顶端
169. Surely an impossible journey for a fish.
     对鱼来说 无疑是一处不可能的目的地
170. But over the coming days, the gobies transform themselves.
     但在接下来的几天里 虾虎鱼会改变自己
171. They change colour.
     颜色发生变化
172. Their mouth rotates and acts like a kind of suction cup...
     嘴部转动 如同一个吸盘
173. ..which they will certainly need.
     这正是它们需要的

来自《行星地球 第三季 第四集 Planet Earth S03E04 淡水》第 170 行