Vipera russellii (English spelling) Viperarussellii

...All of them are dangerous because they are highly toxic and contain a large amount of neurotoxin in addition to the main component of hemorrhagic toxin. The Russell's viper Vipera russellii (English name: Russell's viper daboia), which is widely distributed from Pakistan to India, Southeast Asia, southern China, and Taiwan, is about 1 to 1.5 meters in total length and is considered the most dangerous species, causing particularly great damage in tropical Asia where large ones live. It has a thick and short body, and has a chain-like pattern on the back of its body. ...

*Some of the terminology that mentions "Vipera russellii" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…毒性が強く，主成分の出血毒に加えて多量の神経毒をも含むため，すべてが危険種。パキスタンからインド，東南アジア，中国南部，台湾に広く分布するラッセルクサリヘビVipera russellii(英名Russell’s viper∥daboia)は全長1～1.5mくらいでもっとも危険な種とされ，大型なものが生息する熱帯アジアでは，とくに被害が大きい。胴は太くて短く，体背面には鎖状の斑紋が並ぶ。…

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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