Usually I research fish thoroughly before putting them in my tank, but I saw these guys at the LFS, and the LFS guy said no one really knows much about them. A quick Internet search backed him up. But he is usually very knowledgeable, and he said they should go fine in my tank, which he knows well, so I bought 8.
Here's a quick video. A very cool-looking fish.
https://www.youtube.com/watch?v=Js6ZhImd_mo