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会草船借箭的海蛞蝓

This Adorable Sea Slug is a Sneaky Little Thief | Deep Look

This nudibranch is a little thief.
这只裸鳃类软体动物是个小贼
It’s got no problem with helping itself to it’s neighbor’s stuff.
从邻居那偷东西 它一点罪恶感都没有
Also called sea slugs ,
这个小家伙也被称作海蛤蝓
they’re basically snails but without the protective shells.
它和蜗牛差不多不过没长保护壳
They’re soft and squishy… and not exactly speedy.
它的身体又软又黏 并且行动很慢
You’d think they’d want to keep a low profile.
你可能误以为这种柔弱的动物应该保持低调
But they’re out there – showing off.
但他们反而喜欢出去炫耀
Because their colors are actually a warning.
因为他们色彩斑斓的颜色其实是警告色
Some of these nudibranchs have found a devious way to defend themselves,
一些裸鳃类以不太光明的方式自保
by stealing weapons from someone else.
他们把别人的武器据为己用
See this?
看到了吗?
It’s a hydroid.
这是一只水螅虫
Friendly little seaweed, maybe?
看起来可能有点像友好的小海草?
Nope, it’s actually an animal related to jellyfish.
不 它其实是水母的亲戚
And it has the sting to prove it.
证据就是它也有水母那样的蛰针
Hydroids have tentacles they use to catch food floating by.
水螅虫用触须来捕捉从身边漂过的食物
They’re covered in stingers that pack an excruciating, paralyzing venom.
它们全身都是含有麻痹性剧毒的蜇针
they’re called nematocysts.
这些蛰针学名叫刺丝囊
That’s them right there.
就是视频中重点圈出来的那些刺状物
They’re the same type of potent weaponry
它们也就是给水母
that make jellyfish so dangerous.
冠以危险之名的有力武器
Mess with them and they explode,
要是水母被惹怒 发动刺丝囊爆裂
shooting out tiny harpoons full of venom.
就会发射注满毒液的叉状物
Which is why most creatures want nothing to do with them.
这是大部分的生物对水母无可奈何的原因
But nudibranchs are all about it.
但裸鳃类的目标就是刺丝囊
They devour hydroids.
它们吞食水螅虫
Lots of those nematocysts fire off in the nudibranch’s mouth.
水螅虫往裸鳃类的嘴中发射许多这种刺丝囊
But it’s unfazed.
但裸鳃类并不担心
They seem to have a taste for spicy food.
它们好像偏好吃辣
Here’s the thing though,
其实事情是这样的
some of those nematocysts don’t detonate right away.
有些刺丝囊不会立刻起作用
They aren’t mature enough yet.
它们还太嫩了
And that’s the key to the nudibranch’s scheme.
这就是裸鳃类的计划的关键之处
It swallows the immature stingers whole.
它把未成熟的蜇针整个吞下去
And they travel through the nudibrach’s crazy-looking digestive tract which extends
蛰针被输送到裸鳃类特殊构造的消化道里
into the spikes on its back, called cerata.
消化道一直延伸进后背的尖刺结构 也称为露鳃
See that that dark area inside?
看到里面深色的部分了吗?
It’s part of the digestive system that connects to the gut.
这是与肠道连接的部分消化系统
The stingers are collected at the very tip, where they mature.
蜇针都聚集在尖刺顶端等待成熟以待命
Until the nudibranch feels threatened.
直到裸鳃类感觉到危险时
That’s when this colorful little kleptomaniac pulls out the big guns.
这个色彩斑斓的小偷就该掏出他的重量级武器了
It points its bristling cerata at its attacker,
它会用露鳃对着敌人
squirts out the stolen nematocysts
喷射它偷来的刺丝囊
and they explode, launching their venomous harpoons.
紧接着刺丝囊爆裂 发射其带毒液的叉状组织
That’s enough to repel just about anyone looking for a quick bite.
这一招足以驱赶几乎任何来 觅食的攻击者
Just goes to show –
这一出戏告诉我们
if you’re not born with certain assets,
如果不是天赋异禀
it doesn’t hurt to borrow them.
去草船借箭也是不错的主意
Hey, It’s Lauren.
嘿 我是劳伦
I’m back – and I missed you!
我回来了 观众朋友们我想死你们了
First, a big thanks to all our Patreon supporters
首先 十分感谢粉丝们对我们节目的支持
for making this show possible.
你们是我们更新视频的动力
Click the link to sign up and
点击链接报名
get behind-the-scenes content and Deep Look swag.
能看到镜头背后的故事和我们《微观深望》 栏目的花絮
And check out Hot Mess,
另外看看《Hot Mess》
a new show from our friends at PBS Digital Studios
是我们PBS数字工作室的朋友制作的新节目
about how climate change is making the planet warmer and weirder
主要关于气候变化如何让地球环境变得更加炎热和异常
And here’s a hint about what’s next on Deep Look.
这里暗示了下期《微观深望》的内容
So subscribe Thanks and see you soon!
订阅我们吧 谢谢 再见

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视频概述

看起来软萌柔弱颜值高,猜猜海蛞蝓如何自保?

听录译者

收集自网络

翻译译者

YXG-cda83

审核员

审核员SR

视频来源

https://www.youtube.com/watch?v=KLVfWKxtfow

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