what should i get?

[mikey3165]

i have 50 dollars to spend on my 20 gallon for any fish or anything what should i get i have yellow tail damsel and a mandarin dragonet. what fish do u recommend to get i only want one more

 

[cowboyswife]

A tail spot blenny! They are amazing fish, and they dont get big.

 

[WaterKeeper]

That Damsel really limits your options. In the confines of a 20 gallon he will probably attack any other fish added. You might consider adding inverts to a tank that size instead.