大家好，今天来为大家分享水母是鱼吗的一些知识点，和水母是鱼吗的问题解析，大家要是都明白，那么可以忽略，如果不太清楚的话可以看看本篇文章，相信很大概率可以解决您的问题，接下来我们就一起来看看吧！

Is a jellyfish a fish?

水母是鱼吗？

你可以选择一边读文章，一边听边肖的朗读：

Most certainly not. A jellyfish is a creature belonging to the phylum Cnidaria, a zoological category of aquatic animals known as coelenterates or cnidarians, which also includes corals and sea anemones.

肯定不是鱼！水母是一种带刺的动物，是水生动物的一种，称为腔肠动物或带刺动物。珊瑚和海葵也属于这一类动物。

Jellyfish live in water, and have bell- or saucer-shaped bodies made of a jelly-like substance, which is often transparent or semi-transparent. Around the edge of the body are stinging tentacles, which the jellyfish uses to catch its prey and which can also cause painful injuries to swimmers if they come into contact with them.

水母生活在水中，身体呈钟形或碟形。它们主要由果冻组成，通常是透明或半透明的。身体边缘有带刺的触须，主要用于捕猎。如果有人触摸它们，水母会用触角攻击，造成刺痛。

One of the main differences between jellyfish and fish is that, while fish are vertebrates, having a backbone, all coelenterates are invertebrates. Jellyfish don't have a skeleton, a brain, or a central nervous system, and unlike fish, they reproduce both sexually and asexually at different stages of their life cycle.

水母和鱼的一个主要区别是，鱼是有脊椎的脊椎动物；所有的腔肠动物都是无脊椎动物。水母没有骨骼、大脑和中枢神经系统。此外，与鱼类不同，水母在生命的不同阶段进行有性繁殖，

无性繁殖的某些阶段。

Typically, a jellyfish goes through four main phases of development: planula, polyp, ephyra, and medusa. A jellyfish looks very different when it's in the earlier stages of its life cycle: it's the later, medusa form that we think of when we call a typical jellyfish to mind. A jellyfish begins as a planula, a larval stage, having a flattened, solid body. The next phase is a polyp, which can reproduce asexually, a process known as budding. An ephyra (a small medusa) is also produced asexually, from a polyp. The ephyra then matures into the medusa stage, which can reproduce sexually, from an egg of one individual and a sperm of another.

一般来说，水母会经历四个主要的生命发展阶段：漂浮幼体阶段、水螅阶段、蝴蝶幼体阶段和成体阶段。在生命的早期阶段，水母看起来和我们谈论水母时想到的成年水母完全不同。在漂浮波的幼虫阶段，

水母还处于幼体阶段，身体扁平坚实。下一个阶段是水螅阶段，水母可以无性繁殖，这个过程叫做出芽。盘状幼虫阶段的水母也是无性繁殖，直接从漂浮的幼虫发育而来。

当盘形幼虫成熟时，它们变成成年水母。此时进行有性生殖，即不同水母的卵子和精子结合，繁殖后代。

The confusion between fish and jellyfish probably comes from the name that they share and the fact that they both live in water, but that, essentially, is where the similarities end.

水母是不是鱼，主要是因为它的名字叫海蜇，生活在水中的习性，但其实水母和鱼的相似之处也仅限于此。

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