Male iguanas begin to look physically different than females once they are sexually mature.
Most notably, male iguanas are larger and broader in size than females.
The lizard may grow thicker, more prominent muscles, especially under the dewlap and on the legs.
Is it better to have a male or female iguana?
Generally, iguanas are laid back, love water and basking. Remember that male iguanas are much more likely to become aggressive than females. Male iguanas become territorial and angry during the mating season or when they become sexually mature.
Do all iguanas get big?
If you have a male iguana, it can grow to over 5 feet long and weigh close to 9 pounds. Female iguanas won’t grow as large. They top out at about 4.3 feet long and 2.6 to 5.7 pounds. Not all individuals will reach that size.
Are female iguanas aggressive?
Iguanas are beautiful lizards and can make wonderful pets, but many owners are surprised by how large, strong, and sometimes aggressive iguanas become as they mature. However, as the iguana becomes more comfortable, he is more likely to show his displeasure with handling.
Can female iguanas lay eggs without a male?
If your female has mated with a male, then there is a chance that the eggs are fertile; iguanas can produce eggs without being around males but, just like chicken eggs, they are not fertile.