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Iguanas are interesting reptiles to keep as pets. Unfortunately, iguanas are not easy to care for and will die if not taken care of properly. This is because iguanas have a variety of unique environmental and dietary needs. However, by creating a good habitat and feeding your iguana properly, you'll make sure your iguana thrives in its new home.

Part 1
Part 1 of 4:

Creating the Right Climate

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  1. To thrive, iguanas need access to certain types of light. Most importantly, iguanas need ultralight light that is in the UVB spectrum. Without this sort of light, your iguana could suffer from a deficiency of vitamin D, be unable to absorb calcium, and have other health problems.
    • Purchase UVB light bulbs that are specifically labelled for reptiles. Those made for reef tanks and plants don't provide enough UVB rays for your iguana. Make sure your lizard breed naturally adapted to this temperature.
    • While UVB light should reach the entire habitat, make sure to place a light 12 to 18 inches (30 to 46 cm) above the iguana’s basking area. [1]
  2. Since most climates are cooler than environments where iguanas thrive, you’ll need to install a source of heat in your iguana’s habitat. This is important, as your iguana will not thrive if it is too cold.
    • The coolest area of your iguana’s habitat should be between 75 and 80 degrees Fahrenheit (24 to 27 degrees Celsius).
    • Keep the “basking area” between 95 and 100 degrees Fahrenheit (35 to 38 degrees Celsius). [2]
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  3. Place a thermostat in the middle and on the edge of the habitat. This way, you’ll be able to monitor the temperature in different parts of the habitat. Ultimately, this will help you make sure that the temperature and climate is right for your iguana. [3]
  4. The basking area is an area of your iguana’s habitat where your iguana can enjoy heat and light. This area is fundamental to making your iguana happy. Without a basking area, your cage won’t simulate the iguana’s natural environment. Basking areas should have: [4]
    • A large flat area for your iguana to lay.
    • Direct light from a UVB light.
    • A close proximity to a heat rock or another source of direct heat.
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Part 2
Part 2 of 4:

Outfitting the Habitat

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  1. Use a cage at least 8 feet by 3 feet by 6 feet (2.4 meters by .9 meters by 1.8 meters). As a rule, the larger the cage, the better. Without enough room, your iguana won’t be able to thrive and may wind up sick or depressed. [5]
    • Wire cages are suitable if you live in an area that is consistently hot and humid. Otherwise, you will need a large glass tank or enclosure to make sure you can maintain your iguana's environmental conditions. [6]
  2. After you pick your cage or enclosure, place substrate across the bottom of it. Use specially designed reptile carpet or flat or shredded newspaper.
    • Avoid bark, woodchips, treated wood, or plastic. [7]
  3. Because iguanas live in heavily wooded areas, your iguana will need lots of space and different types of things to climb on. Do this by placing a variety of large branches or specially designed platforms in the habitat. In addition, provide a variety of rocks for the iguana to climb on. [8]
    • Make sure any branches or structures you place in the habitat are large and strong enough to support the iguana.
    • Provide ramps for your iguana to climb to different levels of its habitat.
    • Opt for smooth/flat rocks that your iguana can comfortably lay on.
  4. A box or cave-like area will allow your iguana to hide when it feels threatened or scared. Ultimately, a hiding area is an important part of any iguana habit. Without one, your iguana will feel vulnerable and may not thrive. [9]
    • Place a small wooden box under some rocks.
  5. Small plants will help transform your iguana’s habitat into a more interesting environment that better simulates the wild. Depending on the plants you place, your iguana may eat them or hide in them. Some plants to include are:
    • Acacia
    • Aloe
    • Bamboo
    • Thistle
    • Jade plant
    • Dandelion [10]
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Part 3
Part 3 of 4:

Feeding Your Iguana

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  1. Iguanas need greens and enjoy chopped veggies as healthy treats. Some appropriate greens include collards, mustard, dandelion, or turnip greens. In addition, your iguana will eat kale and different types of lettuce. Chopped veggie choices can include broccoli, bok choy, green beans, and squash. Ultimately, your iguana will spend a lot of time consuming vegetables. [11]
    • Most lettuces, like iceberg and hearts of romaine, won’t provide enough vitamins and nutrients to sustain your iguana. Choose colorful lettuces that have more nutritional value. [12]
  2. In addition to leafy vegetables, your iguana will enjoy snacking on and eating a variety of fruits. Some good fruits to give your iguana include strawberries, blueberries, bananas, apples, cantaloupe. Ultimately, most berries and melons will make a good addition to your iguana’s diet. [13]
  3. Iguana food is often in dry pellet form. Mix iguana food with fruits and vegetables in a fruit bowl or serve them separately. Many vets recommend wetting them slightly before giving them to your iguana, as this will make it easier for your iguana to eat. Remember, though, give store-bought food only as a supplement to fruits and vegetables. [14]
    • Follow the directions on the product you purchase.
  4. Many iguanas don’t get all the nutrition they need in captivity. Because of this, your iguana may benefit from reptile vitamin supplements. These supplements come as powder and can be mixed with your iguana's food. They provide vitamins and minerals like calcium and vitamin D3, which are critical to your iguana’s health. [15]
  5. Iguanas are herbivores and don’t really eat meat in the wild. As a result, avoid providing them insects like crickets and mealworms that other reptiles often eat. Ultimately, too much protein could hurt your iguana. [16]
  6. While your iguana will get most of the water it needs from its food, you should also provide several water bowls in its habitat. This way, your iguana will have access to a lot of clean and fresh water if it is thirsty. In addition, providing water bowls will help increase the humidity level of your iguana’s habitat. [17]
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Part 4
Part 4 of 4:

Avoiding Common Problems

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  1. Generally, avoid housing multiple iguanas in the same cage. If you house iguanas together, they could get into a fight and injure each other.
    • You can house multiple iguanas in the same room or area as long as they are in separate cages.
    • If you are for some reason considering placing more than one iguana in a single cage, talk to your vet first.
  2. Wash your iguana’s food bowls before placing new food in them. In addition, clean your iguana’s water bowls daily. To clean their food and water bowls, use warm water with a light dish detergent. [18]
  3. To ensure the health and wellness of your iguana, you’ll need to clean various parts of the habitat daily. Remove spoiled food and other waste daily. Remove soiled substrate every week or so. In addition, remove broken parts of your iguana’s habitat, like branches. [19]
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Expert Q&A

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  • Question
    I have a pet cat that likes being around my room. I would have my Iguana in my room, so would my cat be a bother to the Iguana?
    Dr. Lauren Baker is a Veterinarian and Assistant Scientist at the University of Wisconsin-Madison. With over 10 years in veterinary medicine, she specializes in the concept of “one health,” which uses insights from veterinary medicine to help human medical research. She holds a Ph.D. in Comparative Biomedical Sciences, a Doctor of Veterinary Medicine, an MS in Comparative Biomedical Sciences, and a Bachelor’s degree in Psychology from the University of Wisconsin-Madison.
    Veterinarian
    Expert Answer
    Yes, your cat is likely to bother your iguana. When you iguana is small, your cat is a threat to the iguana. As the iguana grows, it can become aggressive and may be a threat to your cat. You should keep them separated at all times.
  • Question
    How can I tell what sex my iguana is?
    Dr. Lauren Baker is a Veterinarian and Assistant Scientist at the University of Wisconsin-Madison. With over 10 years in veterinary medicine, she specializes in the concept of “one health,” which uses insights from veterinary medicine to help human medical research. She holds a Ph.D. in Comparative Biomedical Sciences, a Doctor of Veterinary Medicine, an MS in Comparative Biomedical Sciences, and a Bachelor’s degree in Psychology from the University of Wisconsin-Madison.
    Veterinarian
    Expert Answer
    Adult males will develop enlarged femoral pores on the inside of their thighs on their back legs. These look almost like a line of warts. Females will not develop this feature.
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      Tips

      • Be sure to do your research before adopting an iguana. These reptiles are notoriously difficult to care for, and it's important to consult multiple sources, including speaking with vets and breeders or handlers, to make sure you understand the commitment.
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      Things You'll Need

      • Escape-proof iguana home that is of an adequate size
      • U.V.B. light
      • Heat Lamp
      • Climbing structure to allow iguana to climb
      • Proper Food
      • Hide box for smaller iguanas
      • Time and money

      About This Article

      Article Summary X

      To care for an iguana, feed it chopped turnips or collards, and fruits such as strawberries and bananas. Additionally, make sure you put several water bowls in the cage to help increase humidity and give your iguana plenty to drink. You'll also want to set up a basking area in its cage that includes light from a UVB bulb, warmth from a heat rock, and a flat space for it to lie down on. When you're setting up the cage, spread shredded newspaper throughout the cage and give your iguana branches to climb on. For tips on what to avoid when caring for an iguana, including why you shouldn't house 2 iguanas together, read on!

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