The type of food you feed to your iguanas will determine their health. The best food recommended for iguanas is leafy green vegetables. They should be given a balanced diet to keep them healthy. The diet should not make it lazy or fat. It is better to get the advice of an expert. Female iguana will not mostly eat, if they are in the state of developing the eggs. 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. Desert iguana climbs up the bushes in extreme hot days to find solace in cooler places. However, it can sustain to be active even at 115 degrees Fahrenheit in the hot desert climate. The advantage with these reptiles is that they can be brought up in any climate and can easily grow between four and six feet length and will weigh between ten and fifteen pounds when grown up. The pet iguanas can live up to 15 to 20 years as pet. However, it will depend on how they are fed and taken care. The critical signs of this disease are swollen jowl, torpidity, soft face and lower jaw like rubber, problem in eating and swelling of limbs. Most of the times, limbs and spine gets fractured. The hind legs are paralyzed as a consequence of deficiency of vitamin B1 in food. The tail is also impacted. These have lengths up to eight inches and they lay the eggs like other iguanas. They are also cold blooded and easily adjust to their environment. These iguanas are insectivores and eat mealworm. They also like crickets coated with powder containing calcium and vitamins. They should be fed dark green leafy vegetables, fruits and clean water. They like to stay in large and broad natural surroundings. They prefer to have their abode on the high and dense trees. Iguanas can protect themselves from their foes and predators by hiding on the top of these trees. They are also capable to jump down and climb high for safety from the enemies without injuring themselves.