In addition, they can be fed green peppers, frozen mixed vegetable, squash, green beans and fruits such as apple, banana and mangoes. Young iguana should be fed daily. Sufficient Amount of Water: Iguanas should be given adequate water to drink. Usually, they eat plant and vegetables, which meets their requirement of water to some extent. Some quality of try planter can also be put at an end to form a sort of tunnel for iguana to play. Other alternatives are to use wooden or plastic boxes. Again, ensure that reptiles remain safe. The laying of eggs should be supervised. It happens that all the eggs are not laid and female iguana may have some problem. They return to their tunnels and caves or hollow tree trunks at night. Male Rhinoceros Iguana are always on the guard against their predators and they will keep a watch from the top of tree or a rock while bathing in sun. This species is terrestrial type. Males are mostly aggressive to the rest of male species in their territory. It should see enough sunlight for growth of its bone structure. How can you distinguish a male iguana from a female? There a few distinct features between a male and female iguana. Males carry large fat pockets over their head and have heavier lower jaws. They carry larger femoral pores on the lower side of their thighs. 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. You should select the food containing these minerals and maintain the ratio of these elements 2:1. Feed them those foods, which have these nutrients. 4. Lighting; Proper lighting is most important for iguanas. If they are exposed to sunlight, they get Vitamin D3 calcium and phosphorous from ultraviolet UVA and UVB from sunrays.