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海底世界
The islands of Papua New Guinea and Indonesia. 巴布亚新几内亚和印度尼西亚群岛
Here, volcanic gases form undersea fountains ... 这里 火山气体形成了海底喷泉...
and the sea erupts with kaleidoscopic life. 海洋孕育了千奇百怪的生命
The reefs surrounding these Pacific Islands form the heart of the Coral Triangle. 太平洋岛屿周围的群礁构成了珊瑚三角区的中心地带
More marine species live here than anywhere else on Earth. 与地球上其它地方相比 这里聚集了更多种类的海洋生物
So many species live here that they can all survive... 这里生活着多种生物 但只有各具自己的特点...
only if each is distinctly different from the other. 这些生物才能在此存活下来
This puppy-like creature is actually an epaulette shark 这种类似幼犬的生物 其实是肩章鲨
who lives only in the Coral Triangle. 它们仅生活在珊瑚三角区
He's not much of a swimmer, so he prefers to crawl. 它不擅长游泳 所以更喜欢爬行
The Wobbegong Shark looks like a shag carpet... 当斑纹须鲨一动不动的时候...
until he moves. 看起来像蓬乱的地毯...
Disguised hunters need almost endless patience. 伪装的猎手们需要极大的耐心
Dinner must come to them. 等待食物自投罗网
A giant frogfish is hoping the school of glassy sweepers 康氏躄鱼希望这群玻璃单鳍鱼
mistakes it for a yellow sponge. 会把它错看成黄色海绵
The crocodile fish blends into the reef perfectly. 博氏孔鲬完美地将自己与珊瑚礁融为一体
This time, the Blue Damselfish was lucky. 这次 蓝鲷很幸运
But out of the frying pan and into the fire. 但它刚出虎穴 又入狼窝
Giant frogfish come in all colors. 康氏躄鱼 它们颜色各异
Trying to hide under one could be a really bad idea. 想躲在康氏躄鱼下面实在不是明智之举
The stonefish is about as graceless as a fish can be. 石鱼大概在鱼类当中 是最卑鄙的
It has little to fear from predators. 它可不怕捕食者
No fish on Earth is more venomous. 它是世上最毒的鱼
It might wait several days for a careless fish ... 它可能会坚持数日 等待不小心的鱼...
to swim within range of that big ugly mouth. 游到它那大丑嘴的捕食范围
After waiting so patiently... 经过如此耐心的等待...
that must be frustrating. 这肯定让它很沮丧
But the most venomous creatures here are not fish. 不过 这儿最毒的生物可不是鱼
That distinction belongs to sea snakes. 这项荣誉属于海蛇
Their venom is many times more potent than a king cobra's. 它们的毒液比眼镜王蛇的还要毒很多倍
Like other snakes, these breathe air... 像其他蛇一样 它们也需要呼吸空气...
but they can dive more than a hundred feet, and stay down for hours. 不过 它们可以潜在100英尺以上的水里 待上几个小时
Sea snakes are increasingly rare, even here in the Coral Triangle. 但即使在珊瑚三角区 海蛇也越来越少见了
Most have become wallets, shoes or handbags. 它们大多都被制成钱包 皮鞋或手提包
In the Coral Triangle, mangroves fringe most shorelines. 在珊瑚三角区 沿海岸线大都生长着红树林
These coastal jungles protect islands from erosion... 这些沿海的丛林 保护岛屿不受侵蚀...
and provide a buffer against storms and even the occasional tsunami. 在暴风雨 甚至偶尔的海啸袭击之时 起到缓冲作用
The labyrinth of mangrove roots 红树林纠缠的根
captures sediments washed down from the islands 阻挡了从岛上冲刷下来的沉积物
keeping the coral reef from being smothered in silt. 防止珊瑚礁因泥沙淤塞而白化
The maze of roots is a shadowy habitat for many creatures. 红树林交错的根部 为很多生物提供了有阴影的栖息地
A swarm of Striped Catfish feeds on algae growing on the roots 一大群条纹鲶鱼的食物是
and on the silty bottom. 这根上和底部淤泥的藻类
This silt settles in bays... 这些淤泥进入海湾...
forming vast plains of organic debris, sand and muck. 形成由有机碎屑 沙子和肥料组成的巨大平地
And if you think nothing could live here, you might be surprised. 要是你以为这里生命绝迹 那你要吃一惊了
The catfish school cascades across the mucky bottom like a breaking wave... 鲶鱼群在满是淤泥的底部像碎波一样移动...
as fish feeding in the front are passed over by those in the rear. 它们的捕食是前后轮换 往复前进
Like most animals living here... 像这里其他的动物一样...
the stingray conceals itself by hiding beneath the muck. 黄貂鱼把自己藏在淤泥下面
Dude, I can totally see your tail. 老兄 我都能看到你的尾巴
The goby is an excellent watchman, but not so good at cave building. 刺鳍鱼是个优秀的看守人 但不怎么擅长建造洞穴
He leaves the heavy construction to his partner and personal contractor... 他把这项重大工程留给了他的伙伴和个人承包商...
the nearly-blind shrimp. 几乎是瞎子的虾
The relationship is called symbiosis. 这种关系称作共生
Both animals think they have a pretty good deal. 二者都觉得交易很合适
A carrier crab is looking for his own symbiotic partner. 一个承运的螃蟹正在寻找他的共生伙伴
He's happy to find a jellyfish... 他很高兴找到了水母...
which he decides to wear as a protective hat. 他准备用它来当做保护帽
This is a love triangle. 这是一个三角恋
Flamboyant Cuttlefish. 火焰墨鱼
The two small ones are the hopelessly devoted males. 这两个小个子是绝望而痴情的雄性
The female is the larger one, but they would never tell her that. 大个子的是雌性 可他们可不会告诉她这个
They can swim well enough, but usually prefer to gallop across the muck... 他们游得很不错 但通常更喜欢用他们肉质的小臂前端
on the tips of their fleshy, little arms. 在淤泥上飞奔...
# You won't admit you love me # # 你总不承认你爱我 #
# And so, how am I ever to know # # 这样 我怎样才能知道呢 #
# You always tell me # # 你总告诉我 #
# Perhaps perhaps perhaps # # 也许 也许 也许 #
# A million times I ask you, and then # # 无数次地问你 然后 #
# I ask you over again # # 我还是忍不住再问 #
Their mating embrace is little more than a peck on the cheek. 他们的交配拥抱 仅仅是啄一下脸颊
The male simply passes the female a tiny packet. 雄性只是单纯地向雌性传递一个小包
Or, at least he tries to. 或者 至少他在努力这么做
Whether she'll accept is another matter. 而她接不接受是另一回事
# And please don't tell me # # 请别再告诉我 #
# Perhaps perhaps perhaps # # 也许 也许 也许 #
That's all there is to it. 就仅仅是这样
Deeper in the bay, a school of reef squid 海湾的更深处 礁鱿鱼群
fashion a bouquet of translucent egg cases. 那透明卵囊像花束一样
Male squid hover nearby as females move in... 雄性鱿鱼在附近徘徊 雌性在探寻...
and add to the cluster. 然后植入花丛中
In about three weeks, the egg casings will begin to burst... 大约三星期后 卵囊开始破裂...
each releasing a half a dozen or so jewel-like miniatures. 每个都会释放出六七个宛若珠宝的二代
The baby squid will then drift away across the sandy plain... 幼鱿鱼会飘远 穿过沙地...
to take their chances. 开始他们的冒险生活
A field of garden eels towers over the sea floor. 海床上到处"种植"着鳗鱼
Some rise more than six feet 有一些能长到6英尺多
reaching high to snap up tiny animals adrift in the current. 它们高高的探出 抢食随流漂浮的小动物
Above the reef, a swarm of baby convict fish forages over the coral. 珊瑚礁上面 丽鱼幼鱼群在到处寻找食物
Then, in late afternoon, they all gather over a burrow in the sand... 然后 到傍晚 它们聚集在沙里的洞中...
that serves as home. 那里是它们的家
The dark creature emerging from the borough is an adult convict fish. 从沙里冒出的黑色生物 是成年丽鱼
Her brief appearance may be a signal, beckoning her children home for the night. 她的闪现也许是个信号 提醒孩子们该回家过夜了
But before sleeping, the babies have one important chore 但在睡前 幼鱼们还有一项重要任务
They must feed their parents. 必须给它们的父母喂食
The pair of adult convict fish never leave their den. 这些成年丽鱼从不离开他们的洞穴
And what they eat is a mystery. 它们以什么为食仍是个谜
Some scientists believe the babies feed their parents a form of secreted slime. 一些科学家认为幼鱼是用一种分泌的粘液喂它们父母
But others think mom and dad survive... 而另一些科学家则认为 鱼爸鱼妈...
simply by eating a few of their children every night. 就是靠每晚吃几个自己的孩子为生
As evening deepens, reef cuttlefish are on the hunt. 夜色渐深 墨鱼开始捕食
They communicate with instantaneous changes of calor, pattern and texture. 他们通过颜色 样式 纹理的瞬时改变来进行沟通
Their ability to hover without effort... 他们毫不费力的游动...
is aided by a porous calcium-carbonate structure beneath their skin. 得益于他们皮下的多孔碳酸钙结构
This cuttlebone gives the creature buoyancy. 这种墨鱼骨结构为他们提供了浮力
Cuttlefish are aggressive hunters. 墨鱼是具有侵略性的猎手
They strike with blinding speed... 他们出手的速度极快...
shooting out a pair of lightning fast tentacles. 急速地射出一对触手
A piercing tongue covered with razor-sharp teeth... 敏锐的舌头上覆盖着锋利的牙齿...
waits to gnaw the fish to bits. 等着把鱼咬成小片
South of the Coral Triangle lies the largest living structure on Earth... 珊瑚三角区南部是地球上最大的生存结构...
Australia's Great Barrier Reef. 澳大利亚大堡礁
This most recent version of the Great Barrier Reef... 最新的说法是 大堡礁...
began growing about 12,000 years ago... 于12000年前 最后一个冰川期结束时...
at the end of the last Ice Age. 开始形成
Then, sea levels were 400 feet lower than they are today. 那时 海平面比现在低400英尺
As the ice began to melt, the seas rose. 随着冰川开始融化 海平面上升
Corals grew on top of coral... 珊瑚就在原来珊瑚的顶部生长...
building undersea mountains made of limestone or calcium carbonate. 构成了由石灰岩和碳酸钙组成的海底山脉
Corals grow by combining carbon dioxide and sunlight. 珊瑚虫靠二氧化碳和阳光生长
But the balance of carbon dioxide in our atmosphere is critical... 而大气中二氧化碳的平衡很关键...
especially to coral reefs, and the creatures that call them home. 尤其对珊瑚礁 这些生物称作家的地方
Every animal here depends on another in some fashion. 这里的所有动物都以某种形式依赖着其他动物
This potato cod is ready for her beautician. 这条土豆鳕鱼做好准备等着美容师
And let's face it, when you're a cod, you need all the help you can get. 看吧 你要是条鳕鱼 你需要得到各种能获到的帮助
Cleaner fish provide a gentle service no self-respecting cod can be without. 每一条体面的鳕鱼 都需要濑鱼提供的温柔服务
While giving her a facial, the cleaners eat parasites. 在给它做面部护理时 清洁工们吃掉了它脸上的寄生虫
And in exchange, the potato cod resists the temptation to gobble them up. 作为回报 土豆鳕鱼要忍住口水 不将它们吞进肚中
Another good deal. 又一笔好买卖
A crown jellyfish slowly pulsates... 冠海蜇缓慢地搏动着...
forcing tiny animals to pass through its stinging tentacles. 迫使那些小动物忍着刺痛 从其触手间穿过
When the current carries a jellyfish into the reef... 每当洋流将海蜇送到大堡礁...
butterfly fish join up. 蝴蝶鱼就会忍着芳唇的刺痛
Even if it makes their little lips sting. 凑上来尝尝鲜
Some creatures are not satisfied with only a taste. 总有些贪心的动物并不满足于此
Green sea turtles love to fill their cast-iron stomachs with venomous jelly. 绿海龟就喜欢将这些毒海蜇 吞进自己如钢铁一般的腹中
As the turtle devours its prey... 在狼吞虎咽的时候...
it carefully closes its eyes to avoid the sting to sensitive corneas. 绿海龟会小心翼翼地闭上眼睛 以免敏感的眼角膜受到刺痛之苦
The eastern edge of the Great Barrier Reef... 大堡礁东部边缘区域...
plummets into the depths of the coral sea. 径直伸入珊瑚湖的深处
Many deep-water creatures gather on these undersea escarpments. 众多的深海生物便聚集在这海底峭壁之上
A chambered nautilus bobs its way toward deeper water. 一只腔鹦鹉螺向大海深处游去
Its shell contains gas-filled chambers that can withstand tremendous pressure... 它的壳下面体腔内充满气体 使其能够承受巨大的水压...
and its primitive eye is little more than a pinhole in front of the light-sensitive retina. 它原始的眼睛也只不过针孔大小 位于视网膜前方
Like the coral reef itself... 跟珊瑚礁一样...
its strong shell is made of calcium carbonate. 它坚实的外壳亦是由碳酸钙构成
Once, over 2,000 species of nautiloids dominated life under the sea. 曾经有2000多种的鹦鹉螺遍布海底
But that was long before dinosaurs roamed the planet. 可这是早在恐龙主宰地球之前的事儿了
And the climate above and within the ocean has changed many times since. 而此前陆地和海洋气候也历经了无数变换
Today, only six species of nautilus haunt the deep sea. 时至今日 2000多种鹦鹉螺也只余下6种
Sudden changes in climate can exterminate species that cannot adapt quickly. 无法迅速适应突变气候的物种很快会被淘汰
Corals need carbon dioxide to grow... 珊瑚礁生长需要二氧化碳...
but we're putting so much of it into our atmosphere... 可我们向大气层排放了过多的二氧化碳...
that it's causing global temperatures to rise. 结果导致全球气温升高
If sea water gets too warm, coral reefs bleach white and die. 如果海水温度过高 珊瑚礁就会白化而死
But even more deadly is a new threat called ocean acidification. 但更为致命的 则是海洋酸化
Too much carbon dioxide inhibits the formation of calcium carbonate... 过量的二氧化碳会抑制碳酸钙的形成...
the stuff coral reefs are made of, and the shells of the chambered nautilus... 而碳酸钙恰是珊瑚礁 腔鹦鹉螺的外壳 海螵蛸...
the cuttlebone, and the skeletons of thousands of other species. 以及其它数以万计的海洋生物的骨骼构成成分
Many animals could become extinct. 许多海洋生物会因缺乏碳酸钙而灭绝
Coral reefs could begin to dissolve. 珊瑚礁也会渐渐溶解
As temperatures rise, many species can move south toward cooler waters. 随着温度升高 许多生物会向南 迁徙至水温较低的水域
The dwarf minke whale spends its winter in the Great Barrier Reef. 侏儒须鲸在大堡礁过冬
Then in the spring, it heads south to the cold waters of the Southern Ocean. 然后 在春季 又向南方较冷的水域游去
Cape Catastrophe, South Australia. 澳洲南部 Catastrophe角
In these cold waters lurks an ancient leviatha ... 在这片寒冷的水域 潜伏着一个深海巨兽...
one of the ocean's most magnificent hunters... 它是海洋中最为出色的猎手...
the great white shark. 大白鲨
Great whites often reach 17 feet in length. 大白鲨身长通常可达17英尺
A shark that large may weigh more than a ton... 如此的庞然大物体重可达一吨有余...
and can easily make a single meal out of a 200-pound sea lion. 它可以轻松地将200磅重的海狮吞入腹中
Sea lions must remain constantly alert. 海狮必须随时保持警惕
The world's largest stingrays also hunt here... 世界最大的虹鱼也在这片海域狩猎...
searching for crustaceans and mollusks hiding beneath the sand. 猎食那些藏身海沙之中的甲壳类以及软体动物
The rays often travel with their own entourage... 虹鱼通常带有自己的随从...
a squadron of opportunistic fish ... 一群伺机而动的鱼儿...
ready to pounce on small animals frightened from their hiding places. 随时准备着扑向那些害怕得逃离藏身之处的小生灵们
Most of the time, the great white shark will ignore a stingray. 大多数时候 大白鲨会对虹鱼视而不见
But not always. 可并非总是如此
Great whites have often been found with foot-long stingray barbs... 经常可以在大白鲨的嘴里发现...
embedded in their jaws. 长达一英尺的虹鱼刺
Australian sea lions are among the rarest of marine mammals. 澳洲海狮属于珍稀的海洋哺乳动物
Once hunted relentlessly, now only 10,000 or so remain. 因一度被无情猎杀 现在仅存10000头左右
They seem to be the most carefree of creatures. 它们看似无忧无虑
But as global temperatures rise ... 但是随着全球变暖...
the animals living in South Australia have nowhere further south to move. 这些身居澳洲南部海域的生灵 即便向南 业已无路可走
Each year in these shallow gardens, giant cuttlefish gather for spawning. 每年 巨乌贼都在这浅海处产卵
They are the largest cuttlefish in the world. 它们是世界上最大的乌贼
Males sometimes reach more than 3 feet in length. 有的雄性乌贼身长可达3英尺
Giant males confront each other, competing for females... 巨大的雄性乌贼们 剑拔弩张...
hiding in the yellow sponge below. 为藏在黄色海绵下的雌性而决斗
These confrontations seldom result in serious violence. 但这些对抗 绝不导致严重的暴力冲突
Instead, males puff themselves up and look as menacing as possible... 相反 雄性乌贼会像气球一样膨胀 尽可能显得穷凶极恶...
then communicate their willingness to fight. .. 然后摆出各种颜色和形态
with angry displays of color and pattern. 以示它们战斗的决心
As the big males compete... 当巨型雄性乌贼在较劲之时...
smaller males, called sneakers, disguise themselves as females. 体型较小的乌贼 又称作"鬼祟乌贼" 把自己假扮成雌性乌贼
Then, cloaked in feminine charm ... 然后 在雌性魅力掩饰下...
they slip past the dueling giants unchallenged. 从正在决斗中的巨乌贼身边悄然溜过
Females seem to find the cross-dressing males quite attractive. 雌性乌贼似乎很青睐男扮女装的雄乌贼
Sneakers are surprisingly successful lovers. 鬼祟乌贼是不可多得的 出色的伴侣
Giant cuttlefish mate face to face ... 巨乌贼面对面交配...
in a tangled embrace that may last many minutes. 缠绵不休 有时可长达数十分钟
The urge to find a mate is strong but this cuttlefish is hungry. 纵然渴求找到一个伴侣 可这只巨无贼还是无法忍受饥饿的折磨
The crab's sharp claws cause the cuttlefish to hesitate. 面对螃蟹的利爪 它犹豫再三
No one likes to be pinched in the face. 毕竟谁都不想被夹到脸
But a crab dinner certainly seems worth it. 但为了一顿丰盛的蟹宴 冒险也值
A female has deposited her eggs in a crevice beneath the reef. 一只雌性乌贼已将卵产到了珊瑚礁下面的缝隙里
This is her final act. 这已是她的绝响
In the next few weeks... 在接下来的几个周内...
all of the adult male and female cuttlefish will die. 所有的成年雄性和雌性乌贼 都会相继死去
Giant cuttlefish live only two years. 巨乌贼寿命为两年
But these have left their legacy. 但它们繁衍了自己的后代
In about four months, these eggs will hatch... 大约四个月后 这些卵会孵化...
and a new generation of giants will inherit this undersea garden. 新的一代又将游弋于这海中花园
Swarms of mysid shrimp roll over the reef like a mountain fog. 糠虾犹如渺渺的山雾 成群结队地从珊瑚礁上席卷而过
These tiny shrimp become food for many species. 它们成了许多海洋生物的腹中之食
One is among the most bizarre of all ocean creatures. 在所有生物当中 有一个最为非主流
The weedy sea dragon... 杂草海龙...
is one of only three species of sea dragon that exist on Earth. 是地球上现存的三种海龙的一种
He propels himself by undulating tiny transparent fins on his back... 它依靠头部两边背部高低不平的...
and on either side of his head. 微型透明的鳍前进
The dragon slurps his dinner with a long tubular snout... 杂草海龙依靠细长的管状口鼻啜食...
that's perfectly designed for capturing tiny shrimp. 这生来就是用于捕食微小虾类
The other dragon living here... 这海域游弋的另一种海龙...
defies even the most fertile imagination. 即便你穷极想像 亦无法猜个所以然
The leafy sea dragon. 那就是叶形海龙
He has turned camouflage into an exquisite work of art. 它的伪装 宛如精雕细琢的艺术品
Sea dragons seldom venture far from home. 海龙很少出远门
Indeed, these delicate creatures are not designed to swim fast or far. 的确 这些曼妙的生灵 与生的意义就并非是要成为游泳健将
As the climate changes... 随着气候变迁...
undersea gardens in the gulfs of South Australia... 澳洲南部海湾处的海中花园...
are beginning to die out. 业已开始逐渐消亡
When these gardens disappear... 没有了海中花园...
the dragons must vanish with them. 海龙们也将一并灭绝
But there are hopeful signs of an even greater change taking place. 不过 仍呈乐观迹象表明 一种更大的变化正悄然发生
It's a change within us. 这种改变源于我们自身
We finally seem ready to accept the responsibility... 似乎 我们最终愿意为千疮百孔的大气层
for the changes we are causing to our atmosphere... 为我们的海洋和我们的星球
our oceans, and our planet. 承担起应有的责任
We have the skills. 我们有这个能力
If we apply them, our legacy could be an ocean wonderland ... 一经利用 我们留下的将会是一个海中仙境
where dragons still roam... 在那里 海龙闲庭信步
and where sea lions are forever at play. 海狮嬉戏玩耍 直到地老天荒
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