Is that a green spotted puffer with him? If so, he needs brackish to full marine conditions in a tank by himself.
It is up to the personality of the fish and the size of the tank. Your tank is just to small for a MBU and a bunch of tankmates. Eventually it won't be able to handle the bioload nor the fishies.
It is up to the personality of the fish and the size of the tank. Your tank is just to small for a MBU and a bunch of tankmates. Eventually it won't be able to handle the bioload nor the fishies.
plus the best way to settle it all, stop throwing everyone in to get eaten 
