V2EX lobe-finned fish

Lobe-finned Fish

Definition|释义

肉鳍鱼:一类鱼类,特征是成对鳍(胸鳍、腹鳍)内部具有较粗壮的骨骼与肌肉结构,像“带骨的肉质鳍”。它们与四足动物(两栖类、爬行类、鸟类、哺乳类)的演化关系非常密切。常见代表包括腔棘鱼肺鱼。(也可泛指“肉鳍鱼类/肉鳍鱼纲或相关支系”,具体分类随语境而变。)

Pronunciation|发音(IPA)

/lobfnd f/

Examples|例句

The coelacanth is a famous lobe-finned fish.
腔棘鱼是一种很有名的肉鳍鱼。

Scientists study lobe-finned fish fossils to understand how early animals moved from water to land.
科学家研究肉鳍鱼化石,以了解早期动物如何从水中走向陆地。

Etymology|词源

lobe-finnedlobe(“叶状物、圆瓣;此处引申为‘肉质突起’”)+ finned(“有鳍的”)构成,直译为“叶状/肉质鳍的”。该名称强调这类鱼的鳍不是薄而柔软的“鳍条扇面”,而是更像带骨架的“肉质肢体”,因此在讨论脊椎动物登陆演化时常被提及。

Related Words|相关词汇

In Literature|文学与著作中的用例

  • Your Inner Fish(Neil Shubin,《你的内在之鱼》):以肉鳍鱼到四足动物的过渡为核心线索,解释人体与远古鱼类的演化联系。
  • The Ancestor’s Tale(Richard Dawkins & Yan Wong,《祖先的故事》):在演化谱系叙述中涉及肉鳍鱼与四足动物的分化与关键特征。
  • On the Origin of Species(Charles Darwin,《物种起源》):虽不以该现代术语为主,但在讨论共同祖先与渐变演化的框架下,为理解此类“过渡与亲缘关系”提供经典背景。
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