Thinking today after watching a rerun of tanked about looking at adding a harlequin tusk. Now I'm still working with the 75 gallon until fall when I can setup the 150. I see they are OK with coral but like to munch on crabs and snails. What are the pros and cons of 1 of these guys? What would you consider OK tank mates? Like I said, I'm not sure if I will get one, but I am considering it.

