The cage will depend upon the size of the reptile. It is always better to go for a tailor-made home for your iguana. As the iguana grows, you should be able to make changes in the size of its cage rather than shifting it from one cage to another. It is advisable to go for a bigger cage from the beginning. Nurturing Your Baby Iguana the Ideal Way If you can have pet infant puppies, cats and rabbits, you can also have baby iguanas to look after. In this respect, iguanas are the most delicate and need to be nurtured very affectionately. Taking into account their small sizes, they seem to be easygoing, but they need a tender care for their proper safeguard so that they grow up into healthy young ones. 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. 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. If they are given proper balanced diet, they can grow significantly in a few months and will need a larger tank for them. These baby iguanas have a very sharp sense of hearing, smell and sight. Their tail is their defensive measure. It is pointed at the end. When they sense any danger they flick the tail high up in the air. Many times, the vultures will get a chance and snatch the tail apart. It can grow again without impairment. Species such as the red iguana and also green iguana exist in huge numbers, but there are a few species similar to Fiji Island iguana as well as Brachylophus vitiensis, which are turning out to be in endangered category. However, many times, it is hard to distinguish iguanas. Most of the species act different and appear distinct.