V2EX coelacanth

Coelacanth

定义 Definition

腔棘鱼:一种古老的深海硬骨鱼类,外形与远古化石非常相似,常被称为“活化石”。现生腔棘鱼主要分布在印度洋与印尼附近深海。(该词也可泛指腔棘鱼目相关类群。)

发音 Pronunciation

/silknθ/

例句 Examples

The coelacanth lives in deep ocean caves.
腔棘鱼生活在深海洞穴中。

Once thought extinct, the coelacanth became famous after its unexpected rediscovery in the 20th century, changing how people talked about “living fossils.”
腔棘鱼曾被认为已经灭绝,但在20世纪意外被重新发现后声名大噪,也改变了人们谈论“活化石”的方式。

词源 Etymology

coelacanth 源自新拉丁语 Coelacanthus,进一步来自希腊语词根:koilos(“空的”)+ akantha(“刺”)。意思与其鳞片/鳍部结构中“中空的棘(刺)”特征相关。该词最初用于描述化石类群,后也用于现生种。

相关词 Related Words

文学与作品 Literary Works

  • A Fish Caught in Time(Samantha Weinberg):以腔棘鱼的发现史为核心的纪实作品,经常直接使用 coelacanth 一词。
  • Wonderful Life: The Burgess Shale and the Nature of History(Stephen Jay Gould):在讨论演化与“遗存类群”时会提及腔棘鱼等“活化石”。
  • National Geographic 等科普写作与专题报道:常以 coelacanth 为例讨论深海生物与“重新发现”的科学意义。
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