I have never owned any pygmy chams, but chams are my all-time favs. They often live in small groups, so you may want to have your friend look into getting 2 or 3 more for a small colony. Depending on the species, the care varies. Try the chameleonforums.com. they have a ton of cham info. Also chameleoninfo.net & chameleonjournals.com. I havn't been active on the cham forums in a while, so I may be off on some of the sites' names. Pygs are great little chams, but can also be way more delicate then larger chams (not only due to size, but also in terms of husbandry standards. They dehydrate faster, so tanks are often preferred for them. Provide plenty of twigs and small plants for them to climb on & in. They tend to live relatively close to the ground, so height isn't often an issue. Just remeber that they need small enough twigs that they can securely get their grip about 1/2 - 2/3 the way around the branch.
Um, I know I am forgetting a ton of even the basics. Make sure to look up the specific identity of the cham, as their husbandry changes based on that. Feed them small prey, and watch them interact in their littlw world. (Like all chams, a display animal, not one to be handled. Also, I like the idea of "bigger is better" for the footprint of the tank for these guys. Most of them are wild-caught, so they seldom acclimate well to small enclosures. Just because they are tiny, doesn't mean they don't cover a vast territory out in the wild. If your friend has the space, a well-planted 40g breeder (or better yet, a 55g) would make a great display environment for these little guys. Offer them as close a habitat to home that you can get, and provide them with enough mental stimulation to keep you & them interested. They really are great little lizards.
Good luck & keep us updated!
~chrissy
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