Iguana Species Gallery
Green Iguana
Iguana iguana
Least Concern
The most common iguana species kept as pets, known for their emerald green coloration that can change as they age.
Tropical rainforests of Central and South America
Up to 6 feet (including tail)
Herbivore
15-20 years
Marine Iguana
Amblyrhynchus cristatus
Vulnerable
The only lizard species that swims in the ocean and forages for food underwater, feeding on algae.
Rocky shores of the Galápagos Islands
2-5 feet (including tail)
Herbivore
12-15 years
Fiji Banded Iguana
Brachylophus fasciatus
Endangered
Known for their striking emerald green coloration with light blue bands, these arboreal iguanas are endangered.
Tropical forests of Fiji islands
Up to 2 feet (including tail)
Herbivore
15-20 years
Desert Iguana
Dipsosaurus dorsalis
Least Concern
Well-adapted to hot, arid environments and can tolerate higher body temperatures than most reptiles.
Deserts of southwestern United States and northwestern Mexico
Up to 16 inches (including tail)
Herbivore
8-10 years
Black Spiny-tailed Iguana
Ctenosaura pectinata
Threatened
Known for their spiny tail which they use as a defense mechanism against predators.
Dry forests of Mexico and Central America
Up to 4 feet (including tail)
Omnivore
10-15 years
Rhinoceros Iguana
Cyclura cornuta
Vulnerable
Named for the horn-like growths on their snouts, these large iguanas are powerful and territorial.
Rocky, dry areas of Hispaniola (Dominican Republic and Haiti)
Up to 4.5 feet (including tail)
Herbivore
20-25 years