They were passed over quickly but I would highly recommend flame hawks. In the store they may not seem the most active, but after they get to know you they will follow you around the tank begging and watching what you do. I've also seen one that learned to flow-surf where a powerhead was hitting a tank sidewall. Plus, they are generally less aggressive then a lot of other hawks, but still best to add as one of the last fish to a tank (just to be safe).