Venomous lizard (Gila monster)

Japanese: ドクトカゲ(毒蜥蜴) - ドクトカゲ（英語表記）venomous lizard

A general term for poisonous lizards belonging to the Helodermatidae family. Of the approximately 3,000 species of lizards, only the following two species are poisonous. The Gila monster ( Heloderma suspectum ) (illustration) is found in the southwestern United States and northwestern Mexico and is about 60 cm long. Its tail is shorter and thicker than its head and body, but its thickness varies depending on its nutritional state. Its limbs are well developed and each finger is roughly the same length.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

ドクトカゲ科Helodermatidaeに属する有毒トカゲの総称。トカゲ類約3000種のうち毒をもつのは以下の2種のみである。アメリカドクトカゲ(別名ヒラモンスターGila monster)Heloderma suspectum（イラスト）はアメリカ合衆国南西部およびメキシコ北西部に分布し，全長約60cm。尾は頭胴長より短くて太いが，太さは栄養状態によって変化する。四肢は発達し各指の長さはほぼ等しい。

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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