It is sluggish But has a strong Bite. The venom (a neurotoxin) is conducted along grooves in the teeth from glands in the lower jaw. Bites are rarely fatal to humans. The other venomous species is the Mexican Beaded lizard (H. horridum).

• 动作皆迟缓；但咬啮有力。多数牙上有两道沟槽；以便引出下颚的毒腺的分泌物；内含神经毒素；但很少能致人死亡。墨西哥串珠蜥(H.；horridum)是另一种有毒蜥蜴。