Sexing an iguana - Is your lizard a boy or a girl?

Sexing an iguana is surprisingly difficult when they're still small, and honestly, most pet stores are just taking a wild guess when they sell you one. You might have picked out a name like "Princess" only to realize two years later that your scaly friend is growing some serious "man-jowls" and acting a bit more aggressive than expected. It's a common story in the reptile world. Because green iguanas don't have external genitalia that are easy to spot, you have to look for subtle physical clues that usually don't show up until the lizard reaches sexual maturity. ...

February 14, 2026 · 6 min · Deetta Wesley