However, it will depend on how they are fed and taken care. Initially, iguana belongs to a humid and tropical climate. These are very energetic creatures in sunlight. When these reptile perceive any danger, they use their defense tools comprising their strong tail, claws, jaws and nails to protect themselves. At the same time they are timid also and will run away out of fear. Female iguanas lay the eggs by digging tunnels. They do not hatch their eggs. The eggs get hatched themselves in warmth. All eggs get hatched simultaneously. Iguanas are eaten by human beings and many of their enemies. Several measures are required to save iguana from extinction by educating people who live in iguana inhabited areas, by their captive multiplication in zoos and imposing restriction on their hunting It is prospering only on Galapagos Islands and is named after the island as Galapagos Marine iguana. It lives in its natural habitat in boulders on shores of the Galapagos Islands. These iguanas are also living in marshlands on beaches and mangrove. Marine iguanas are said to be blackish in color and prospering on the sea. These containers should be regularly cleaned and disinfected to avert any infection. 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. The healthy iguanas are very fast in their movements and will not stay inactive at one place. They will move around in their cage. Giant green iguana is very eager to know everything taking place around him. Its eyes will be round and it will go on flicking the tongue in and out as it moves around. Do not go for a quiet and docile iguana. It is necessary to look for the safety of pet and keep all these things out of their reach. The bacterial infection: The iguana can be infected by many kinds of bacteria. If they live in dirty environment, they can get recurrent exposure to blister disease. They also get dry gangrene on their toes and tails and these parts turn gray or black and become brittle to fall off.