- They will only use just enough energy to make their kill
它们只用恰到好处的力量来猎杀 - never wasting a fin stroke.
从不贸然浪费力气 - Nearly a hundred sailfish have surrounded a single school of baitfish. It's very rare to see so many of these hunters in one place.
近100条旗鱼的包围了这群饵鱼 很少能见到上百条的旗鱼在同一个地方出现 - To herd their prey, the predators raise their huge dorsal fins.
旗鱼张开大大的背鳍来把猎物赶到一起 - A mistimed strike by one sailfish, could fatally damage another
旗鱼不恰当的攻击会严重伤害到同伴 - but each continually changes it's color, from blue, to striped, to black
所以每条旗鱼不断变换颜色 从蓝色--有斑纹--黑色 - that warns it's companions of it's intentions and also confuses the prey.
这可以警告同伴注意, 同时也可以迷惑饵鱼
To herd their prey, the predators raise their huge dorsal fins. 旗鱼张开大大的背鳍来把猎物赶到一起
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