Source: Wikimedia Commons
Green Iguana
AdvancedGreen iguana
Large lizard reaching up to 180cm. Herbivorous diet of vegetables. Juveniles bright green. Can bond with owners but requires significant space.
Difficulty
Advanced
Temperature
25〜32℃
Lifespan
15-20 years
Size
120-180cm
Humidity
40〜70%
Diet
Vegetables and leafy greens (collards, bok choy)
About
The green iguana, also known as the American iguana or the common green iguana, is a large, arboreal, mostly herbivorous species of lizard of the genus Iguana. Usually, this animal is simply called the iguana. The green iguana ranges over a large geographic area; it is native from southern Brazil and Paraguay as far north as Mexico.
Source: Wikipedia (CC BY-SA 4.0)
Basic Info
Origin
southern Brazil and Paraguay north to Mexico and the Caribbean
Lifespan
15-20 years
Size
120-180cm
Temperature
25〜32℃
Humidity
40〜70%
Diet
Vegetables and leafy greens (collards, bok choy)
Care Guide
Space
Adults need room-sized enclosure
Temperature
28-35°C (basking 40°C)
Lighting
Strong UVB light essential
Diet
Vegetables with 2:1 calcium to phosphorus ratio
Notes
Sharp claws and tail. May require permits in some areas
LargeHerbivoreAdvancedUVB required
Green Iguana FAQ
QHow difficult is it to keep Green Iguana?
A
Advanced. This is an advanced-level species. It requires specialized equipment and advanced husbandry skills with precise environmental control.
QWhat is the ideal temperature for Green Iguana?
A
The ideal temperature for Green Iguana is 25〜32℃. Recommended humidity is 40〜70%. Avoid sudden temperature changes and maintain a stable environment.
QWhat is the lifespan of Green Iguana?
A
Last updated: June 23, 2026
References & Sources
Edited & verified by: br-choku editorial team
The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
Taxonomy & Authority
Accepted name: Green iguana (Linnaeus, 1758)
Synonyms: Iguana coerulea Daudin, 1802, Iguana emarginata Spix, 1825, Iguana lophryoides Spix, 1825, Iguana melanoderma Breuil et al., 2020, Iguana minima Laurenti, 1768, Iguana sapidissima Merrem, 1820
Authority databases: GBIF · Reptile Database
Nomenclature follows global taxonomic authority databases.
Regulations & Conservation Status
CITES 附属書IIIUCN LC · Least Concern
Sources: CITES Checklist (Iguana spp. Appendix II) / IUCN Red List
Regulations may change. Always verify the latest information with the relevant authorities.
Related Species
Green Iguana Listings
Loading latest listingsFind listings for this species
Related Articles
Green Iguana Feeding Guide: Vegetables, Fruits, and Forbidden Foods
Explanation of proper diet management for green iguanas. Introduction to types of vegetables and fruits suitable for herbivorous green iguanas, feeding frequency, forbidden foods that must never be given, and calcium supplementation methods.
Complete Green Iguana Care Guide — Living with a Large Lizard
Comprehensive green iguana care guide for beginners: enclosure sizing, herbivorous diet management, temperature and UVB setup, and handling temperament changes after sexual maturity.
Green Tree Python Care Guide | How to Keep High-Humidity, Arboreal Snakes
A comprehensive guide to caring for the stunning green-colored Green Tree Python (GTP). We explain tree-dwelling-appropriate cage design, high humidity maintenance, temperature control, feeding, and handling precautions in an easy-to-understand manner for beginners.
Green-Cheeked Conure (Pyrrhura molinae) Complete Care Guide | Subspecies, Color Morphs, Temperament, Diet, and Health Management
A comprehensive guide to caring for Green-Cheeked Conures (Pyrrhura molinae), whose popularity has surged in Japan. Covers popular color morphs including Pineapple, Cinnamon, Turquoise, and Moon Cheek with their genetic inheritance patterns, their suitability for apartment living due to quiet vocalizations, pellet-based nutrition management, and practical guidance on health concerns including PBFD, hormonal issues, and hyperuricemia.