I'm sure he won't continue to be aggressive - he is still young and settling in,. he needs time to adjust to his new home. Even though he has been with you for a few? weeks he is still getting used to everything. Also, imagine something in size comparison of you to him approaching you.. scary huh!

He is still getting used to you as well, and still learning to trust you. As with all animals you need to gain his trust and that will take time.. have you tried giving him some of his favourite foods from tweezers? Try offering him a wax worm or something similar,. hoepfully he should learn that you are the nice person who feeds him, not someone who will hurt him.
When you are around him or his enclosure, move slowly, and don't create too much noise, as this will frighten him and that will only make the adjustment period longer.
Chams grow quite sizeable,. I'm not sure on the actual size of an adult Jacksons, but body size is around a foot in length?? The recommended cage size for one adult is 3-4ft in height and 2' x 2' floor space.
Hope this helps,. and Bill, we are still waiting for pictures of Yang!!!
