蓝色星球（2001）

The grouper, braving the lionfish's poisonous spines, tries to evict its rival
脂鱼挑战狮鱼的有毒背鳍 企图逐退它的对手
But lionfish are persistent
但狮鱼意志坚定
This grouper spent many hours simply defending his hunting patch
这只脂鱼耗费数小时 只为防卫它的小猎食区
Some animals prefer to avoid conflict whenever possible
有些动物尽可能避免争斗
These harlequin shrimp, having captured a starfish,
这些抓到海星的小丑虾
are taking it back to a safe house beyond the reach of competitors and danger
要把它带回没有竞争者 及危险的地方
The problem with starfish is that they have minds of their own
问题是海星有自己的想法
and five large sticky arms
和5支大又黏的触手
By the time the shrimps have prised off arm another has reattached itself
虾子好不容易弄断触手 另一个新的又重新接合
Only by manoeuvring the starfish onto its back
只有用计谋将海星翻面
can they have any hope of gaining the advantage
它们才可能占到优势
Even so, getting it back home is a major undertaking
即使如此 将它搬回家还是个难题
The starfish is now a living larder
海星现在成了活食品储藏室
lf the shrimps can hang onto it, it will feed them for days to come
如果它们能菺善保存 这将够它们吃好几天
The top of the reef is usually covered by a thin layer of green algae,
礁岩的顶端 通常覆盖着一层薄绿藻
another living larder
另一种活食品储藏室
And many fish depend on it
许多鱼类必须依赖它
Powder blue tangs defend their right to graze on a particular patch
粉吊捍卫它们对 某块区域的觅食权
But for a larder as well-stocked as this, there is always competition
但在这么饱和的食物宝库中 竞争是在所难免
When a shoal of convict tangs decide to graze, little can stop them
当一群罪囚粗皮鲷决心加入战局 就没有什么可以阻止它们
The powder blue tangs try to keep them off
粉吊想将它们驱离
But they are overwhelmed by sheer numbers
但是它寡不敌众 根本不是对手
The territory is stripped of algae in minutes
数分钟内它的领地 充满藻类碎片
The blue tangs appear to be fighting a losing battle
粉吊正在吃败仗
But eventually they begin to get the upper hand
但它们渐渐取得优势
They persist with their attacks until the marauders are well on their way
它们持续不断攻击 直到掠夺者离开为止
When night falls, some very strange creatures
当夜晚来临 一些非常奇怪的动物
creep out of crevices and crawl over the reef
离开巢穴爬到珊瑚礁上
This moving bush is an animal - a basket star
这一团移♥动♥中的树丛其实是动物 它是一只篮海星
which spread out its arms to catch the night's plankton
它伸出手臂 捕食夜晚中的浮游生物
The reef becomes uncannily tranquil
珊瑚礁变得不寻常地宁静
Fish retire, hiding themselves where they can
鱼群尽力躲藏起来，休息去了
Marbled rays come out to hunt for prey buried in the sand...
大理石纹鳐现身 猎食埋在沙中的猎物
...using electro-receptors to scan the seabed
它们会用电极感应受器 来扫描海床
Their activity attracts sharks
它们的活动引来鲨鱼
White tips
是白点鲨
At night, when vision is of little use, sharks have a real advantage
在夜间，视力毫无用武之地 鲨鱼则占尽优势
They can still use both smell and electro-reception to track fish
它们还可以用嗅觉 及电极受器来追踪猎物
These sharks are also hunting for fish concealed within the reef
这些鲨鱼也猎食 隐藏在珊瑚中的鱼类
Their slender shape enables them to squeeze through surprisingly narrow gaps
黇长的身形让它们可以挤进 小得惊人的夹缝里
There is nowhere to hide
让猎物无处可躲
Few animals are safe during these feeding frenzies
在这样的猎食行动中 很少有动物是安全的
Night after night the reef animals are subjected to these raids
珊瑚礁动物每晚都要 鉰受这样的袭击
But life on the reef is not just about food, it's also about sex
但是在珊瑚礁的生活不只关系到食物 跟性也有关
There are many different breeding strategies,
这里有许多繁殖的策略
but each is aimed at maximising the number of young that will survive
但是每一个都是为了要 让为数最多的幼苗存活下去
Every afternoon for two months brown surgeonfish
连续两个月，每天下午 可见棕刺鳍鱼
can be seen streaming across reefs in the Red Sea
游过红海珊瑚礁
They all head for the same place, usually some prominent feature
它们的目的地相同 通常是一些突出的地理构造
Here, they wait for the light to fade
它们在这里等待天黑
Suddenly, females within the group make a dash away
突然间雌鱼冲离珊瑚礁
from the reef to release their eggs
好释放出卵
They're immediately followed by the quickest and closest of the males,
马上就有距离最近 且速度最快的雄鱼跟随
all of whom are striving to fertilise the eggs
它们抢着要让卵受精
lnevitably, others come here to feast on such easy food
当然也有其他鱼类来此捡便宜
As the surgeonfish spawn, fusiliers move in above to eat the nutritious eggs
当刺鳍鱼产卵时 冬鱼也前来享受营养的鱼卵
These are just the first of many predators which will feed on the eggs
它们只是许多掠食者的第一波
and developing larvae as they drift in the ocean during the next few weeks
其他掠食者会在接下来的几个礼拜 抢食这些卵及成长中的幼鱼
Other fish are less casual about their eggs
其他的鱼种就会 比较在意自己的卵了
Banded pipe fish stay close to a small chosen area on the reef
条纹杨纒鱼留在珊瑚礁 上预选的小范围里
Every morning at sunrise the female leaves her sleeping site
每天日出时母鱼离开眠床
and swims to find her partner
出游寻找它们伴侣
For ten minutes or so they remain together,
它们会相处约十分钟
reaffirming the bond that is essential to their partnership
重新巩固对亲密关系 极为重要的联♥系♥
They swim together around his territory in a simple greeting dance
它们会在雄鱼的领域 游着一种简单的欢迎舞
Throughout the Summer, when the female's eggs are ripe,
在夏季里，雌鱼的卵成熟后
courtship begins in earnest in the early morning
求爱在一早就变的激进
lt takes time and after about two hours
整个过程需要一点时间 两个小时后
they rise together off the seabed entwining their bodies
它们一起从海床上升起 身体交缠
The male rubs himself against the female, stimulating her to release her eggs
雄鱼用身体与雌鱼摩擦 刺♥激♥雌鱼释出鱼卵
And now, swiftly, the male takes them
接着雄鱼迅速抓住鱼卵
The eggs, now stuck to his belly,
鱼卵已附着在雄鱼腹部
are patted down to ensure that they stay there
接着会被往下轻拍 以确定它们牢附不移
The female then leaves him, but every morning
雌鱼接着离开雄鱼 但是每天早上
she will return for a session of synchronised swimming
她回来 与雄鱼做同步游泳
and so ensure that their bond is maintained
以确认并维持它们的关系
Ten days later, under the cover of darkness,
十天后在夜晚的掩护下
the male shakes his body and the young pipe fish are born
雄鱼摇摆身体 小杨纒鱼也因而诞生
Only now are they independent of their parents
一直到现在它们才算真正独♥立♥
Since the male takes charge of the eggs as soon as they are laid,
因为雄鱼在鱼卵刚产下时 就负起照护的工作
the female can start immediately producing the next batch
雌鱼可以马上 开始制♥造♥下一萯卵
Without his help, the pair could only breed every twenty days,
如果没有雄鱼的帮助 一对鱼只能每20天产卵一次
rather than every ten
而不是10天
So, by sharing the work, they're doubling the number of young
它们的分工合作 可以让每年出生的
they can produce in any one year
小鱼数量增加一倍
A flamboyant cuttlefish
一只华丽的墨鱼
Unlike most cuttlefish, this one spends much of its time
这只墨鱼与其他种类不同 它大部分时候
walking rather than jetting across the seabed
在海床上行走 而不是以喷射方式活动
This is a male
这是一只雄体
He is using his colourful display to try and seduce the larger female,
它正用自己多彩的外观 来诱惑体型较大的雌体
who seems unimpressed
但是她似乎并不领情
Eventually, she concedes
最后她妞强让步
The final event, the transfer of sperm, is very quick
最后的一継，精♥子♥的传递 为时极短
A singing male humpback whale
一只雄性座头鲸正在欢唱
Humpbacks are only visitors to the reef
座头鲸只是珊瑚礁的过客
After a pregnancy that lasted a whole year
怀孕超过一年
the females come here to give birth and suckle their newly-born young
的雌鲸来此生产 抚育新生的幼子
Their investment in their single offspring is considerable,
它们对独生子 所投下的关注是可观的
for each female will continue to nurse it for a further six to twelve months
每一只雌鲸会持续照顾幼鲸 6到12个月的时间
But the males are here to mate
但是雄鲸是来此交♥配♥的
The lone males sing to establish their relative seniority
雄鲸以歌♥唱来建立 彼此间的长幼关系
The louder and longer the song, the bigger and stronger the singer
歌♥唱越大声，持续越久 表示雄鲸能力越强
The better the song, the larger the male,
歌♥唱得越好，体型越大的雄鲸
the more mating opportunities he will get
就越有交♥配♥的机会
All these different mating strategies have the same aim,
这些不同的交♥配♥策略 目的都是相同的
to ensure that the greatest possible number of offspring
要确保最高数量的后代
will live long enough to breed themselves
存活到可以自行交♥配♥时间
Corals also reproduce sexually, but being fixed to the seabed,
珊瑚自己也是有性生殖 但是身体固定在海床上
they can't move to find a mate
不能移♥动♥寻找伴侣
Somehow, they must synchronise their sexual activity
所以它们必须将 交♥配♥的时间同步化
and they do so using the rising water temperatures of Spring
它们用春天上升的水温
and the phases of the moon
及月象来达到目的
A few days after the full moon in late Spring,
在晚春满月过后几天
when tidal currents are at their weakest,
在潮汐的力量最微弱时
the corals of the Great Barrier Reef are ready to spawn
大堡礁的珊瑚准备好要产卵
Some corals are male and release clouds of sperm
有些珊瑚是雄性 所以释出精♥子♥雾
Nearby, a female will be releasing eggs
附近有一株雌珊瑚会释出卵子
Other species of coral are both male and female
有些品种的珊瑚是雌雄同体
These release packages of eggs already pre-wrapped in sperm
它们释出的是 一团团有精♥子♥包住的卵子
Bundles of eggs and sperm float to the surface
一团团卵子与精♥子♥浮到水面
to mix with others from further along the reef
与来自珊瑚礁其他部位的 卵，精♥子♥相互混合
Each kind of coral times its release to a certain hour on a certain night
每一种珊瑚都会将交♥配♥的时间 精准算在某一个夜晚的某一时刻
That maximises the chances of cross-fertilisation
以求达到 最大数量的交互授精
The fertilised eggs drift away from the reef
受精的卵子漂离珊瑚礁
The stormy season brings real danger to the animals of the reef
暴风雨季，为生活在珊瑚礁 的动物带来真正的危险
Lobsters in the Caribbean sense a change in the water
住在加勒比海域的龙虾 察觉到水中的改变
The temperature drops and powerful ocean swells disturb the sand
水温降低了 强烈的海浪侵袭沙岸
Under the cover of darkness they emerge to run before the storm
在黑夜的掩护下它们现身 冒着穿越裸♥露♥浅滩的危险
and risk crossing the exposed sand flats to seek shelter in deeper water
要赶在暴风雨前离开 在深水域找新的庇护所
Every year they make this journey
它们每年都会踏上这样的旅程