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Green iguana (Iguana iguana) — species profile (taxonomy, origin, lifespan, husbandry basics)

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exotic-pet-profile en 2026-07-28

Green iguana (Iguana iguana) — species profile (taxonomy, origin, lifespan, husbandry basics)

Authoritative first-hand species account (Animal Diversity Web, University of Michigan). All bullet facts are verbatim from the cited source and C1-substring verified.

Taxonomy & Classification

  • One of the best methods for iguanas to avoid predation is their cryptic coloration.

Natural History & Origin

  • and has been introduced into southern Florida and in Hawaii.
  • Upon hatching, the length of green iguanas ranges from 17 to 25 cm.
  • courtship, males may acquire a bright orange or gold hue, although coloration is still

Habitat

  • Green Iguanas are arboreal lizards that live high in the tree canopy.
  • Although preferring an arboreal (forested) environment, they
  • Like many other animals, green iguanas also suffer from habitat destruction.

Size

  • Iguana iguana (Common Green Iguana) | INFORMATION | Animal Diversity Web
  • have water around as they are excellent swimmers and will dive beneath the water to
  • Within three years, a young, 12 gram hatchling iguana can become a 1 kg adult (de

Lifespan

  • Iguanas can live for more than 20 years in captivity, although wild iguanas are thought
  • Improper housing and nutrition can shorten a captive iguana's lifespan.
  • Referring to an animal that lives in trees; tree-climbing.

Behavior & Social Structure

  • mood, temperature, health, or social status.
  • structure, which is used in territorial defense or when the animal is frightened.
  • During the breeding season, males become territorial and display head bobbing, dewlap

Reproduction

  • become more uniform in color with age, whereas the young may appear more blotchy or
  • The young, with higher need for protein,
  • Most green iguanas reach sexual maturity between three and four years of age, although

Diet

  • will be darker, helping the lizard to absorb heat from sunlight.
  • to reflect the sun rays and minimizing the heat absorbed.
  • This fleshy structure also serves in heat absorption and dissipation when it is extended.

Sources

Green iguana (Iguana iguana) — species profile (taxonomy, origin, lifespan, husbandry basics)
Source document: Animal Diversity Web species account (Iguana iguana)
Animal Diversity Web (animaldiversity.org, University of Michigan)ADW species account Iguana iguanaretrieved 2026-07-28

Verification file: pdf-raw/exotic-profile-2026/iguana.txt