Mexican beaded lizard debate among scientists. However, this venom has been found to contain several enzymes useful for manufacturing drugs in the treatment of diabetes, and research on the pharmacological use of its venom is ongoing. Threatened throughout its range by overcollection and habitat loss, it is a CITES protected species. The Guatemalan beaded lizard ("H. charlesbogerti" ) is one of the rarest lizards in the world, with a wild population of fewer than 200. The beaded lizards have one close living relative, the Gila monster ("H. suspectum"), as well as many extinct relatives in the Helodermatidae, whose genetic history may be traced
Spineless forest lizard comes to the ground, this species is known to be diurnal. Oviparous, and known to lay 5-6 eggs per time. Feed on insects and other small animals, although a few also feed on plant matter as adults. Spineless forest lizard The spineless forest lizard, crestless lizard or lionhead agama (Calotes liocephalus) is a species of lizard in the family Agamidae. It is endemic to Sri Lanka. "Calotes liocephalus" grows to in snout–vent length and in total length. Spineless forest lizard is one of four "Calotes" species endemic to Sri Lanka, which all share a common set of characteristics. These include