I visited my friend's apartment for the first time since she and her boyfriend had set up a gallon tank. They've had it for a few months. The current inhabitants are two blue gouramis about 2.5-3" long. I was so horrified I didn't know what to say or how to react, so unfortunately I just remained silent as she said "Do you like our gouramis? They seem happy in their home. None of the other fish survived. You're not supposed to keep too many fish in a small tank." Well, all I said was that I have a five gallon reserved for my ADF and male betta. Her boyfriend acts like he knows everything and is an ***. I really wish I could mention something but I don't want to be too rude about it because I know I can be especially when it comes to the welfare of animals.
Advice?
Advice?