Iguanas also eat a few different varieties of dark leafy greens and fruits in some parts of America. A few types of iguanas grow very fast. They become five times lengthier and gain the weight about hundred times when they become an adult as compared to their size after hatchling. It takes nearly two years. The skin of iguana should be free from scratches, lumps, scars and cuts. At the same time, observe that the animal you buy is clean and no fecal matter is clinging to it. If it is dirty that means there is danger of bacteria in the environment it lived. It may fall sick. The Dwelling for Iguana: If you are new to keeping iguana as pet, you can start with a tank to keep them. There are many primary cares that are necessities to bring up iguana and need to be thought over well. Concerns about the Shelter of Iguana: It is most important to provide a proper shelter to you keep iguanas as pets. The infant iguana is capable of surviving in a fish tank containing between 30 and 50 gallons of water. It is better to get the advice of experts for their diet. Temperature: Most of the varieties of iguanas come from the tropical or subtropical regions. They can sustain themselves in this type of climate easily. But, they will not easily adjust in places where there is drift from hot to cold climate. In cold climate, iguana continuously needs warmth to survive and digest its food. Those found abundantly in wild earlier are getting vanished. The major causes are cutting of forests. Consequently, they lose the place to live. Moreover, they fall a prey to animals and human beings also eat them in many islands. However, it is possible to take some suitable steps to avoid their extinction. As iguanas like to climb up the branches of trees, you can place some branches, twigs, barks, rocks and broad limbs and similar material for them. Correct Food: Iguanas are herbivores and mostly feed on leaves, vegetables and fruits. Their diet should be balanced and major part of it should comprise leafy vegetables like mustard greens, kale, escarole, spinach, etc.