Newt (Newt) - Newt (English spelling)

Japanese: イモリ(蠑螈∥井守) - イモリ（英語表記）newt

A general term for amphibians in the family Salamandridae in the order Caudata. Newts and geckos are often confused because of their similar names and appearances, but the latter is a type of reptile lizard with sucker-like fingers. There are about 15 genera and 55 species that are widely distributed in the temperate zone of the Northern Hemisphere, and most are about 10 to 15 cm in total length and live in water, with two species found in Japan. Newts have a slightly flattened and wide head and a well-developed, laterally compressed tail with a fin-like posterior half, making them skilled swimmers. Their limbs are developed enough to walk slowly on land, and they have thin fingers, four on the front limbs and five on the hind limbs.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

有尾目イモリ科Salamandridaeの両生類の総称。イモリとヤモリとは名前と姿が類似するためよく混同されるが，後者は指が吸盤状をした爬虫類のトカゲのなかまである。　約15属55種が北半球の温帯に広く分布し，大半は全長10～15cmほどで水中生活するものが多く，日本には2種が分布する。イモリ類は頭部がやや扁平で幅広く，尾は発達して側扁し後半部はひれ状で，巧みに泳ぐ。四肢は陸上をゆっくり歩く程度に発達し，指は細いが前肢に4本，後肢に5本備わっている。

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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