I hope someone can help me out here. I have a Volitan Lionfish in a 55 gallon tank with two eels and a picasso trigger. They have all been together in this tank for 6-8 months. A couple of days aog, the lionfish started hanging out at the bottom of the tank, and has stopped eating (all of them eat silversides and krill). I have also noticed that his gills are a bit red. The only thing I can think of that might have happened is that our freezer died last week, and the silversides were defrosted, and then re-frozen. Is he sick? Would that have made him sick? What should I do? Thanks to anyone who can help in advance!