I have one too. I've never witnessed him going after my CUC, but I do see them dwindling. Peppermint shrimps don't last long in my tank. Not sure if he's the culprit or another fish is.
He's one of my most colorful fish, but is very shy, he hides a lot and is not always out int he open
He's one of my most colorful fish, but is very shy, he hides a lot and is not always out int he open