That's easy. I say guppies as well. Whenever I trhow them in with my oscars they don't last two minutes.
Sorry, I couldn't resist.
Sorry, I couldn't resist.
Eupterus;4939231; said:Personal expeirences, puffers.
My brother bought two in a row, kept them alone in a 10 gal and they both died the next day.
Otherwise, probably some kind of marine fish that needs special foods.
Moorish idol is a tough one to keep I know.

TheSwampFox;4939238; said:Moorish Idols are almost impossible to keep in captivity.
Finding Nemo made them popular though![]()