金色箭毒蛙

📖 1. 概览

体长仅5.5cm，但皮肤所含的1mg生物碱神经毒素（箭毒蛙毒素，Batrachotoxin）足以致10～20名成年人死亡，是地球上毒性最强的脊椎动物。

🌐 Wikipedia 摘要摘录

The golden poison frog, also known as the golden dart frog or golden poison arrow frog, is a poison dart frog endemic to the rainforests of Colombia. The golden poison frog has become endangered due to habitat destruction within its naturally limited range. Despite its small size, this frog is considered to be the most poisonous extant animal species on the planet.

🦴 2. 身体结构与特征

鲜艳的金黄色体色是向捕食者宣告自身致命毒性的警戒色（Aposematism），而它自身的神经钠离子通道已发生突变，因此不会中自己的毒。

🔍 3. 生态与行为

其毒素是通过摄食野外特定的有毒蚂蚁和甲虫积累而来的，因此在实验室中若只喂食普通蟋蟀饲养，体内完全不会产生毒素。

🇰🇷 4. 与韩国的关联

它是阐述生态系统食物链生物毒素积累与演化警戒色的代表性范例。