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coming up next on Jonathan Birds blue world
接下来是乔纳森·伯德的蓝色世界
Jonathan searches for a rare and elusive reef fish
乔纳森寻找一种罕见而又难以捉摸的珊瑚鱼
the ocean is full of amazing fish like this school of surgeon fish feeding on algae on the reef
海洋里充满着奇异鱼类，比如这群刺尾鲷科，它们以珊瑚礁上的藻类为食
colorful and nemenyi fish
色彩鲜艳的鱼类
or this school of sweepers hiding in the coral for protection
或者是这群躲在珊瑚里寻求保护的“清洁鱼”
one of the most beautiful but rarely seen fish is the mandarin fish found on coral reefs of the pacific
太平洋珊瑚礁上发现的鳜鱼是最美丽的罕见鱼类之一
hi I'm Jonathan bird and welcome to my world
大家好，我是乔纳森·伯德，欢迎来到我的世界
mandarin fish are extremely shy and only come out of the reef at dusk to mate
鳜鱼非常害羞，只有在黄昏的时候才出来交配
I'm here in Micronesia on an island called Yap one of the best places in the world to find Mandarin fish
我现在在密克罗尼西亚的雅浦岛上，那里是世界上能找到鳜鱼的最合适之地
and this evening I'm going on a dive to see if I can find a few
今晚我要去潜水看看能不能找到一些鳜鱼
I enter the water right at sunset
我在日落时下水
as the light levels get lower on the reef, the daytime fish feed before they must hide for the night
随着暗礁上的光线越来越低，鱼白天觅食，晚上必须藏起来
a lot of changes take place on the reef at dusk
黄昏时，暗礁上发生了许多变化
just before the Sun sets I have my best chance of finding a mandarin fish
日落之前是找到鳜鱼的最佳时机
in the dim light I search the reef carefully
在昏暗的灯光下，我仔细地搜索着礁石
I can't use a flashlight because it would scare the tiny fish
不能用手电筒，因为光会吓到小鱼
mandarin fish are very shy they rarely leave the protection offered by the nooks and crannies in the reef
鳜鱼非常害羞，它们很少离开暗礁角落和缝隙的保护之地
they're, a small amount of movement catches my eye, a mandarin fish
我注意到一些微小的动静，是鳜鱼
if I didn't know where and when to look I would never find it
如果我不了解何时何地去寻找找鳜鱼，我永远也找不到它们
as the Sun sinks lower in the sky the light levels drop and something magical happens
日落西沉，光线变暗，神奇的事情发生了
the mandarin fish peeks out to see if the coast is clear
鳜鱼探出头去看海岸是否平静
these reclusive fish only venture from the safety of their coral home to mate
这些深居简出的鱼类只能冒险离开珊瑚家园的安全地带去交配
and they only do it in a narrow window of time at dusk
而且他们只在短暂的黄昏交配
a male wanders from female to female courting each one
一只雄性在雌性之间徘徊，向每只雌性求爱
his goal is to spawn as many times as he can with as many females as possible
雄性的目标是尽可能多次和雌性交配产卵
he's not particularly choosy about a partner
它对伴侣不是特别挑剔
the female size him up they're a little more selective about a mate than he is
雌性对雄性上下打量，它们对配偶的选择比雄性更加挑剔
he's not worried if one female gets cold fins, another one will jump in at the last minute
他并不担心雌性的鳍被冻住了，另一只会在最后一刻跳进来
then the male and the female pair up and begin to make practice runs
接着雄性和雌性配对，开始练习
rising up off the reef cheek to cheek
颊对颊地从暗礁上站起
at last the pair spawns for real
终于这一对开始产卵
rising well above the reef to keep the eggs from being eaten by the coral
它们会在高于珊瑚礁的位置产卵，以防卵被珊瑚吃掉
the male and the female release their spawn at the same time
雄性和雌性同时释放卵子
the eggs are fertilized in the water column
卵子在水柱中受精
over and over the male spawns as many times as he can
雄性尽可能多次产卵
perhaps as many as 10 times in half an hour
在半小时内可能多达10次
the fertilized eggs then drift off into open water to develop into tiny baby mandarin fish
受精卵随后漂入开阔水域，发育成小鱼
most will not survive to adulthood
大多数小鱼活不到成年
once darkness comes the spawning ends
一旦夜幕降临，产卵就结束了
the mandarin fish seek protection in the reef safe for another day
鳜鱼在寻找暗礁庇护地，等待下一天的来临
well it's after sunset in the Mandarin fish have finished mating for the night and gone back into the reef
夕阳西下，鳜鱼在夜晚完成了交配，回到了暗礁
they won't come back out of the reef till tomorrow night
得明天晚上它们才会从暗礁里出来
so for now it's time for me to go to bed
所以，现在我该休息了
