The peko-peko's skin is toxic, and most predators leave it alone. Sentient hunters prey on the peko-peko to harvest the amazing anti-venin the animal secretes.

皮可皮可的皮肤有毒，大部分的掠食者都不敢招惹牠，知道此事的猎人猎捕皮可皮可来获取牠分泌的神奇抗毒素。