Yes...
Sometimes, there are no answers for these questions. I'm sure that you accidentally read Iguana as what we call it, then the scientific name and thought it was all one, or there could have been a...
Iguanas eat dark, leafy, green veggies. Mostly animals bigger than iguanas will eat them.
Not unless they're opposite sexes. Two males will fight !
The common name is the 'Green Iguana' probably the most common/famous iguana