Active mantis for a 12g Office Aquapod

[Feclar]

Hi,

Currently cycling a 12g Aquapod and have been researching a mantis after I saw one in the LFS (they say it is a peacock but I need to go get a pic of him/her)

The nano is not quite big enough for the peacock and I do not plan to upgrade to a bigger tank any time soon.

I work 8-16hour days and he would be right under my monitors, having a difficult time deciding who will be my best bet for a desk buddy.

Ive read a few good things about G. Smithii and G. Virdis and N. wennerae also g. ternatensis sounds very active

Also saw a post by Roy where he mentioned O. latirostris was very active

p.s. Closest big city to me is Sacramento, CA

Any help?