V2EX tridacna

Tridacna

释义 Definition

Tridacna砗磲属 / 巨蚌属,一种生活在印度太平洋热带海域(常见于珊瑚礁)的大型海洋双壳贝类的属名;其中一些种类(如 Tridacna gigas)体型巨大,常与体内共生藻类形成共生关系。该词也常被用来指代“砗磲(巨蚌)”这一类群(属或其代表种)。

例句 Examples

We saw a Tridacna clam on the reef.
我们在珊瑚礁上看到了一个砗磲属的巨蚌。

Because Tridacna hosts symbiotic algae, it can thrive in sunny, shallow waters, but it is also vulnerable to reef damage and overharvesting.
由于砗磲属巨蚌体内有共生藻类,它能在阳光充足的浅海生长,但也容易受到珊瑚礁破坏与过度采集的影响。

发音 Pronunciation (IPA)

/tradkn/

词源 Etymology

Tridacna源自希腊语构词:**tri-**(“三”)+ **dak-**(与“咬、咬合”相关的词根),一般被解释为指其贝壳铰合结构或“齿状”咬合特征(贝壳闭合时的咬合“齿”)。它作为拉丁化的科学属名,常见于生物分类学语境。

相关词 Related Words

文学与著作出现 Literary Works

  • The Biology and Mariculture of Giant Clams(J. S. Lucas 等,巨蚌生物学与养殖研究中常以 Tridacna 为核心对象)
  • Giant Clams: A Comprehensive Guide to the Identification and Care of Tridacnid Clams(Daniel Knop,面向水族与自然观察者,频繁使用 Tridacna
  • FAO 渔业资料:The Living Marine Resources of the Western Central Pacific(关于海洋资源与物种条目中常以属名 Tridacna 编列)
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