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Black sea nettle的卡通图
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Black sea nettle

Chrysaora achlyos
名字的由来： Chrysaora comes from Chrysaor, a figure in Greek mythology, and means "he who has a golden sword". The species name comes from a Greek word meaning mist, darkness or obscurity, which refers to its colour and how rarely it is seen.1
只是会疼不要触摸会疼，但不会对你造成严重伤害。
水母和海中蜇人生物 会蜇人的触手吃：肉
对人的危险: 很疼可能真的很疼，但几乎从不严重。

The black sea nettle is a large jellyfish with a dark purple to nearly black bell. It lives in the Pacific Ocean off western North America, and it is rare to see except in big swarms that appear in some years. Its stinging tentacles can cause a painful sting to people.1

生活在
Pacific Ocean off western North America, from Monterey Bay south to southern Baja California and Mexico; sightings reported as far north as British Columbia1
大西洋, 地中海
首页
It lives in nearshore waters and is occasionally seen in surface waters, sometimes in very large swarms. Swarms have been recorded off Baja California and southern California.1
长度
1 m (3.3 ft)1
最高速度
约 1.9 公里/小时（1.2 英里/小时）
游泳, 粗略估计
它吃什么？
It feeds mainly on zooplankton and other jellyfish. It uses its stinging tentacles to immobilise its prey and capture it.1
真的！Black sea nettle的照片
Black sea nettle。照片：Port of San Diego。 CC BY 4.0, iNaturalist.

怎样认出它

  • The bell is an opaque dark purple to nearly black colour.1
  • The edge of the bell has a lighter brown, net-like (reticulated) pattern.1
  • The bell can reach about 1 metre across, and the oral arms can extend 5 or 6 metres.1
  • There are marginal sense organs around the bell edge, one after every set of 3 tentacles, 8 in total.1

常被误认为： No other West Coast jelly that visits nearshore waters has this dark pigmentation, so the very dark colour is the main way to tell it apart.1

毒液之力

会蜇人的触手

一碰到东西，成千上万个小刺细胞就会发射。

它的毒液会造成什么？

Each tentacle is covered in thousands of microscopic stinging cells called nematocysts. When touched, they fire a filament that injects toxins, which can kill smaller prey or stun predators. In people, the sting is usually not lethal but is painful and can last for forty minutes.1

它对人有多危险？

对人的危险: 很疼可能真的很疼，但几乎从不严重。

The sting is usually not lethal to people, but it is painful and can last for about forty minutes.1

它害怕时会做什么？

Its stinging tentacles fire venom-filled filaments on contact, which stun or deter anything that threatens it.1

如果它蜇人

  • 离开水面，取下所有触手（戴手套或用布）。
  • 热带箱水母：在蜇伤处倒醋至少 30 秒，呼救，并准备好做心肺复苏。僧帽水母和大多数其他水母：先用海水冲洗，再用热水止痛。

一定先拨打你的急救电话（112、000、911）。这里是一般急救指导，不是医疗建议。 急救基础

注意安全

  • 永远不要摸、抓或逗弄野生动物，即使是很小的，即使它看起来在睡觉或已经死了。
  • 给它留出空间。如果遇到它，保持冷静，慢慢后退，让它走自己的路。
  • 如果被它蜇了：保持冷静，保持不动，拨打你的急救电话（112、000、911）或尽快去医院。记住它长什么样，拍张照片会有帮助。

它不是冲着你来的。它用毒液捕猎或保护自己，而且它更愿意躲起来。 更多安全知识

在世界哪里？

非洲亚洲欧洲北美洲南美洲澳大利亚和大洋洲大西洋地中海

它有多大？

它有多长？

Black sea nettle 约 1 m 长 (3.3 ft)一只狗 约 1 m (3.3 ft)一个大人 约 1.7 m (5.6 ft)
和 2 只家猫鼻子接尾巴一样长和 6 根香蕉首尾相接一样长95 秒就能游完一个大泳池（50 米）

Black sea nettle和你比起来有多大？

只是在你的浏览器里算一算。什么都不会被保存或发送到任何地方。

它有多快？

值得了解

事实

1

It is thought to be the largest invertebrate described in the 20th century.1

2

Its stomach is lined with fibrous vessels that attach to prey, and its mouth-like openings, called darkmaws, close when exposed to bright light.1

3

It was only officially described in 1997, after large groups were found on the Pacific coast.1

4

Its swarms seem to coincide with red tides, which are blooms of the zooplankton it feeds on.1

给毒液专家

学名
Chrysaora achlyos
类别
水母和海中蜇人生物
家人
Pelagiidae2
排序
Semaeostomeae
大洲
大西洋, 地中海, 海洋
对人的危险
2 / 5: 很疼3

事实的来源

  1. Chrysaora achlyos (Wikipedia (CC BY-SA 4.0))
  2. Chrysaora achlyos (iNaturalist): 名称和分类。
  3. Venom Wiki: 危险等级、典型大小和速度估计都是我们自己给出的。看看我们是怎么算的： 我们如何评定危险.

本页的每个事实都有一个编号，指向它的来源。如果我们写错了，抱歉，我们是动物爱好者，不是科学期刊。请写信到 [email protected] 告诉我们，我们会改正。

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