Hiya,
I did some further research on them and found out they're going to get to big for my little tank. OH, well....better to find out now then after I get it and get attached to the critter.
Meadbhb
I don't see how they can eat bristle worms since they aren't that fast moving crabs. But they cool mines hasn't done anything wrong yet so far he helps eat some of the hair algae off the rocks.