Many people get attracted by these cute creatures and get involved with them to keep them as pets. It is a fact that these tiny animals can turn very large very soon and may also become aggressive. However, they are generally good pets and you have to take their proper care for food and living. If you want to keep them as pets, it is better you acquire some basic knowledge about the nature of iguanas, the way they live, their habits, food, behavior and what are the necessities for their existence. Food: Now coming to the food to be given to your pet iguana, naturally it should be given a healthy food. In their initial years, iguanas should be fed regularly daily. The older animals can be given food on alternative days. The type of food you feed to your iguanas will determine their health. The best food recommended for iguanas is leafy green vegetables. Maintain the temperature in cage during the night and use heating pads to heat up the enclosure. It is also feasible to use low wattage lamps for getting heat. 4. Iguana will not get settled in their new dwelling easily. It has to get accustomed to the shelter. Initially it may be shocked and start scratching or scraping the walls. If you are interested in keeping pet iguanas, you should know all the important fundamental principles for bringing them up. The Selection of Iguana: When you buy infant iguanas to make your pet, you should buy the healthy reptiles, which are energetic and lively. The healthy iguana is round in shape and its eyes are also round and shining. Thermal injuries: Burns and thermal injuries can come, if iguana comes in direct contact of heat sources in their enclosure. The main cause can be exposed hot rocks or light bulbs and heaters. It is necessary to look for the safety of pet and keep all these things out of their reach. The bacterial infection: The iguana can be infected by many kinds of bacteria. They jump and fall from the height of 40 to 50 feet without any sign of injury and stay safe and sound. The male iguanas are found with a flap called dewlap on ir skin. They impress their female iguana with this flap. Also, their dewlap is useful to scare the predator. They use dewlaps to look bigger in size.