lizard known as Gila Monster?

Yes, they are very venomous. I live in Arizona, which they live in the desert so they are definitely here where I am. Gila Monsters are one of only two species of seriously venomous lizards! The Gila Monster is a stout-bodied lizard that grows 18 to 24 inches in length. It has black, orange, pink or yellow broken blotches, bars and spots, with bands extending onto its blunt tail. Its face is black, and it has small, bead-like scales across its back. It is named for the Gila River Basin of the southwestern United States.

The Gila Monster is one of only two species of venomous lizards; both are of the family Helodermatidae and both are similar in appearance and habits. Its venomous cousin, the Mexican Beaded Lizard (Heloderma horridum), is slightly larger and darker.

Most of the Gila Monster’s teeth have two grooves that conduct the venom, a nerve toxin, from glands in the lower jaw. The toxin is not injected like that of the snake, but flows into the wound as the lizard chews on its victim. While the bite can overpower predators and prey, it is rarely fatal to humans.