And is home to 1 ,500 species of fish, 是1500种鱼类

137. Thus, corals are born from the marriage of algae and shells.
     例如 珊瑚产生于藻类与贝壳的结合
138. The great barrier reef, off the coast of Australia,
     位于澳大利亚海岸的大堡礁
139. Stretches over 350,000 square kilometers...
     绵延35万平方公里
140. And is home to 1 ,500 species of fish,
     是1500种鱼类
141. 4,000 species of mollusks...
     4000种软体动物
142. And 400 species of coral.
     以及400种珊瑚的家园
143. The equilibrium of every ocean depends on these corals.
     每个大洋的生态平衡都取决于这些珊瑚

来自《家园 第一部分 Home Part1》第 140 行