ready to pick off any injured fish, 时刻准备攻击任何受伤的鱼
provide welcome food for shoals of hungry fish. 为饥饿的鱼群提供美味食物
These underwater forests are nursery grounds for fish. 这些水下森林正是 鱼类理想的“育婴”场所
They work together to drive shoals of fish into the shallows. 它们一起合作把鱼群赶到浅水区
The Amazon is so large and rich in fish 亚马逊河养育着丰富繁多的鱼类
To date over 3,000 species of their fish have been described - 据统计 被命名的鱼类已达到3000多种
In the darkness these electric fish hunt 这些鱼用电在黑暗中捕猎
After dark, predatory dolphin fish emerge from their daytime lairs among the rocks. 到了晚上 掠食性的长颌鱼纷纷 游出它们白天潜伏的石缝
Its tropical waters teem with more fish species than any other lake. 生活在这个热带湖泊里的鱼类 比其它湖泊都要丰富
This is the world's largest fresh water fish migration. 这是世界上规模最大的淡水鱼洄游