Approaches to aggression in stocking a 120

[Quagmire]

I'm on my second 6 line also,my first met the same fate as Cptclevers.
I've heard they can be agressive but never had a problem with mine.
But it may eat your shrimp and it will eat your pods,so it can be hard on your DSB if you have one.Unless you have a refuge to use as a pod factory.Great little fish though,with freeky eyes.