I have a turbo snail the size of a golf ball, and an emerald crab. Doesn't touch the H. A. I added more red leg hermits, blue leg hermits, zebra hermits nothing is touching is the h. A. I even went on a reduced feeding schedule where I feed a few pellets at a time for the fish making sure very few goes under eaten. To starve out the Cuc. I thought maybe cuz it's too over grown that they don't eat it, so I manually ripped it out. But what's left they still aren't eating. I hope the sea hare is better