heres a few ideas of mine 55 gallon One comet goldfish 55 gallon 35 neon tetras 55 gallon 10 tiger barbs 1 rainbow shark 1 convict chiclid 55 gallon Black sand 12 rummynose tetras 12 cardinal or neons 12 corys two species 2 gbr 10 cherry shrimp 55 gallon Two electric blue jack dempseys 55...