I think I have too many fish. A 55 gallon tank. Currently have 5 zebra danios, 1 pleco, 2 rainbow sharks, 2 chinese algae eaters, 5 tiger barbs, 3 cherry barbs, 3 angel fish, 8 sword tails, 4 black neons and 15 neons. 48 total. All still small.I know that the neons wont get big but dont like...