

Three weeks ago added a pair of common kribensis to my 40 gallon tank. They're in there with tiger barbs, black ruby barbs, 2 redtail sharks, a pleco, an Odessa barb, and a clown loach. All is well. Fish store said they'd be ok with these other characters.
Did the LFS also say it was ok to put two red tail sharks together? What about the single clown loache? They need to be in groups of 6 minimum.
Please do not believe everything or a quarter of what most of the fish shops say. They're there to make a sale and really don't care for the welfare of your fish after you have paid them your hard earned cash. Three weeks is also no time to judge how your fish will be in the long run.
