I've had my 45G FOWLR setup for 6 months now. My livestock selection has been 2 False Percs, a Royal Gramma, a Coral Beauty, and a Firefish. I have had 2 peppermint shrimp, 4 Nassarius snail, 20+hermit crabs, an Emerald Crab, and 10 turbo snails.
About 3 weeks ago, I notice one of my...