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
Gran Canaria giant lizard Gran Canaria giant lizard The Gran Canaria giant lizard ("Gallotia stehlini") is a species of lizard in the family Lacertidae. The specific name, "stehlini", is in honor of Swiss paleontologist Hans Georg Stehlin, who collected the holotype. "Gallotia stehlini" grows to a total length (including tail) of up to . They are among one of the largest reptiles within the family lacertidae. The species comes in a variation of grays, browns and reddish hues. Unlike their female counterparts, males exhibit sizable jowls, robust heads and overall greater body mass. "Gallotia stehlini" is a true omnivore. The young often consuming various