Mexican beaded lizard beaded lizard under the Convention on International Trade in Endangered Species as an Appendix I animal, making it illegal to export the species. Mexican beaded lizard The Mexican beaded lizard ("Heloderma horridum") is a species of lizard in the family Helodermatidae, one of the two species of venomous beaded lizards found principally in Mexico and southern Guatemala. It and its congener (member of the same genus) the Gila monster ("Heloderma suspectum") are the only lizards known to have evolved an overt venom delivery system. The Mexican beaded lizard is larger than the Gila monster, with duller coloration, black with yellowish
Northern caiman lizard which many other lizards apparently fail to and can generally recognize their owners, given they have been kept for the right amount of time and are in good health. Captive diet includes turkey meat (often mixed with Mazuri alligator diet), mussels, clam meat, catfood, fish and some fruits. Northern caiman lizard The northern caiman lizard, "Dracaena guianensis", is a species of lizard found in northern South America. The caiman lizard is built similarly to its cousin the tegu, with a large heavy set body and short but powerful limbs. Its head is bulky and often a red or orange color.