asshats... haha I like that
I've caught 4 asshats, so far, in a device called the x-terminator. I just put some mysis in the trap and put it near the crab hole when the lights go out. I have caught my own nassarius snails in it a couple times, but overall, I think it works pretty good.
I have also snagged a crab out by hand. I just had a lamp on in the room so it was dark enough for them to feel comfortable to come out, and grabbed one. It held onto the rock with suprising strength for a little guy!
Bought the x-terminator at
www.mops.ca But i've also seen it at the fish stores.