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曾有人用水母自杀,海底的水母到底有多神秘?

2017-06-07 16:59:10   北京时间

海洋,是一望无际的宁静。它用自己宽广的胸襟包容了每一个站在海边人内心的兵荒马乱。

《海底两万里》中,尼摩船长就曾如此表达过对大海的热爱:

“我爱大海!大海就是一切!它覆盖着地球的十分之七,大海呼出的气清洁、健康。大海广阔无垠,人在这里不会孤独,因为他感觉得到周围涌动着的生命。大海是一种超自然而又神奇的生命载体,他是运动,是爱,像一位诗人所说的,是无垠的生命。可以说,地球上最先形成的是海洋,谁知道当地球消失的时候最后剩下的会不会还是海洋呢!大海就是至高无上的宁静。”

海底,是海洋世界最神秘的一部分。看似平静的海面,往往海底都波涛汹涌。海底虽惊险,却吸引了很多探险者去一探海底的奥秘。

那么,在探险者的眼中,海底世界是什么样呢?一定会有庞大的蓝鲸、凶猛的鲨鱼、缓慢的海龟、美丽的珊瑚;以及那些名字听起来就很有趣的翻车鱼、会发光的鱼、电鳐等等。正是这些或凶险或美丽或离奇的海洋生物,为海底世界披上了一层更为奇幻的外纱。

想必看过《海底总动员》的小朋友,应该都对电影中呈现的海底世界,所感到好奇和惊奇,原来我们没看到过的海底,有这么多美丽的生物,还有这么多好玩的故事发生着。那小朋友们还对这个片段有印象吗?

马琳和尼莫遇到了一个漂亮的生物,尼莫第一次见到这种生物感到有些害怕。但是在电视机前的我们,是不是觉得这个生物还是非常漂亮的?它就是水母

或许很多小朋友还没有见过水母真正的美丽,那今天嘟教授就带大家认识一下水母。水母是一种非常漂亮的水生动物。它的身体外形就像一把透明伞,水母早在六亿五千万年前就存在了,它们的出现甚至比恐龙还早。

看似外形都差不多的水母,其实也是分为很多种类的,今天嘟教授先介绍三种比较有特色的给小朋友!

狮鬃水母:是世界上体型最大的水母之一,其伞形躯体可达两米,主要生活在比较冷的水域,包括北极海、北大西洋、北太平洋等海域。

桃花水母:是笠水母科属淡水生活的小型水母。生活在清洁的江河、湖泊之中。有“水中大熊猫”之称。

灯塔水母:是一种小型水母,身体呈钟型,直径4-5毫米。多生活在热带海域,是食肉性的。灯塔水母可以从水螅体无性繁殖,是唯一已知的能够从性成熟阶段恢复到幼虫阶段的生物。所以也被人称为“长生不老的水母”。更准确地说应该是“返老还童”。除非被其他动物吃掉,否则灯塔水母是“永生”的。

以上只是海洋知识的冰山一角。

责任编辑:高宗影 CN060
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