I'd like to be able to set up my 20 gallon tank with a couple cheap and hardy fish (which is why I was thinking chromis). I will keep it separate from my 100 gallon reef tank. I can use the 20 gallon tank as a fish only tank and if I get a sick fish or need to quarantine a new fish, I can move the chromis to the sump of the big tank and then move the fish I need to quarantine into this tank. I have the 20 gallon on a shelf off the kitchen so I'd like to have soemthing in it when I don't have a qt fish.
As for the blenny, I really like the one I have in my 100 gallon and I'd like to get another small fish with personality. I'd eventually like to get a tang but I want to stay pretty cheap for the time being.
Any suggestions for the hard guys for the 20 gallon? and for the personality fish for the 100gal?
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