A coral reef during the day is a very different place from a coral reef at night.
珊瑚礁的白天與夜晚是兩個完全不同的世界。
The atmosphere changes completely.
這里的氣氛完全不同。
The day shift has logged off, and the night shift has gone to work.
白天活躍的動物休息了,夜晚活動的方才出動。
It's mean and moody, and the animals here mean business.
夜晚環境惡劣多變,動物們必須保持警惕。
Just as in human cities, there's a new cast of characters after dark.
就像人類城市一樣,夜幕下出動的都是迥然不同的角色。
Octopus emerge from their holes to stalk their prey.
章魚從藏身的洞穴里出來覓食。
A tiny sole improves his chances of survival by mimicking a toxic flatworm.
這條小鰨魚為了增加生存機會在模仿有毒的扁蟲。
Some of the strangest nocturnal creatures are relatives of the starfish, like this feather-mouthed sea cucumber, sifting food from the sand.
一些最奇特的夜間生物都是海星的表親,比如這一有著羽毛狀口部的海參在用口從沙中篩出食物。
Another is the basket star.
還有這個筐蛇尾。
It comes alive at night, throwing out thousands of arms to filter food from the plankton-rich current.
它夜間出來,伸展開上千個枝杈般的觸手從富含浮游生物的水流中過濾食物。
These animals can live for a very long time, up to 35 years.
它們的壽命很長,可達35歲。
And there's records of these guys being seen night after night,in the same place for over 15 years.
有記錄證明這幾個晝伏夜出的家伙在同一地點被觀察記錄了15年之多。