red-spotted newt

Japanese: red-spotted newt(英語表記)redspottednewt
red-spotted newt

…Only two of the eggs of the Alpine salamander develop into larvae, while the other 40 or so eggs become a source of nutrition for development. Newts are used for research into development and physiology. For example, the North American red-spotted newt Notophthalmus viridescens (English name: red-spotted newt) (total length about 10 cm) is considered an essential experimental animal for hormone research. [Takaji Matsui]
[Folklore]
In Japan, it is also known as the water lizard, and is also called the red belly because its abdomen is red, unlike the white of most lizards.

*Some of the terminology that mentions "red-spotted newt" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…アルプスサラマンドラの卵のうち幼生になるのは2個のみで,他の40個ほどの卵は発育の栄養源となる。 イモリ類は発生や生理学の研究用として用いられ,例えば北アメリカ産ブチイモリNotophthalmus viridescens(英名red‐spotted newt)(全長約10cm)は,ホルモンの研究に欠かせない実験動物とされる。【松井 孝爾】
[民俗]
 日本では水とかげの名もあり,また腹部がトカゲの白色と異なって紅色なので赤腹とも呼ばれる。…

※「red-spotted newt」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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