Bearded Dragon vs Green Iguana

Side-by-side care comparison to help you choose.

Bearded DragonGreen Iguana
DifficultyBeginnerAdvanced
Adult size18-24 inches4-6 feet (1.2-1.8 m)
Lifespan10-15 years15-20 years
Min enclosure40 gallon (36x18x18 inches)6 ft x 3 ft x 6 ft (1.8 x 0.9 x 1.8 m) for an adult
Basking temp95-105°F95-105°F (35-40°C)
Humidity30-40%60-80%
UVBYes - T5 HO 10.0 or 12% UVB (Ferguson zone 3-4)Yes - T5 HO 10.0 to 12% UVB, Ferguson zone 3-4
DietJuveniles: daily insects (crickets, roaches) and greens; Adults: 80% vegetables (collard, mustard greens, squash) and 20% insects every other day.Herbivorous: 70% dark leafy greens (collard, mustard, dandelion), 20% vegetables (squash, bell pepper), 10% fruit (berries, mango) as treats. Feed daily for juveniles, every other day for adults.