If you fix the lights on bar, these will lie too low. The lights can be fixed at the top with some clips. Always try to allow for the maximum space for iguana. You can use the closet doors for its enclosure. It will retain the heat inside, but at the same time stop the air circulation. So, alternatively you can put a screen door at the place of closet door. Naturally, you will not allow them to get ill and ultimately expire before they become grown up young iguanas. The following are numerous important things that use you require to think about before you start to look after your infant iguana. 1. Shelter for Protection: You cannot use just any type of cage to keep baby iguana. It helps them to digest their food and stay healthy. You should monitor the temperature in their cage with a thermometer. There should be a warm place to bask with a temperature around 110 degrees Fahrenheit. You can use a spotlight for this purpose. Heat tape, under tank heaters and ceramic lights are some of the other alternatives. Desert Iguana Features: Matured desert iguana is between 10 inch and 16 inch in length. It has a roundish and large body and a long tail. It has a brownish head with a special reddish brown outline like a net. The trunk and the neck have a tan and grayish spots over it. Its tail also has a few whitish and grayish spots. The Rhinoceros Iguanas have mostly grayish brown color. The male in this species grows up to 56 cms in length and weighs about 10 Kg. Rhinoceros Iguana has a raspy skin with dermal scales on it. There are also large scales on his head. Some of the species of Rhinoceros Iguana have horns also. These can be comprehended as simple grown up scales. Most of the species act different and appear distinct. Some of them possess bright colors and the others have brilliant or dull colors. Every single species of iguanas owns different features because it originates from a different home ground. Iguana as pets: Many people in America are keeping iguanas as their pets.