Alvarez said:
I had 2 loaches but as I said earlier the small one got into a fight with the betta I believe and they both died on the same day.
I had forgotten about that. Did you actually
see them fighting? I only ask because, while possible, it seems unlikely. I've never heard of a clown loach picking a fight with
any fish, and bettas usually only go after fish that look like them. I could be wrong, but I would guess they died of other causes, and the bettas fins being ripped up would have been from other fish trying to eat him after he was dead. Even the danios may have ripped him up a bit after he died. Did you get the betta and the loaches at about the same time? If so, the proximity of their deaths is probably less than coincidence. They may have already been weakened and on their way out before you got them, even though they may have looked perfectly fine. If they were weak, just a slight difference in water conditions from the
lfs to your tank may have been a problem. ...Or any change in your water parameters. ...Or any number of things, really. Anyway, the point I was going to get to: Of course, the fish you keep are entirely
your choice. But if the only reason you are keeping a single loach is that you are worried about aggression, they aren't generally an aggressive fish, and keeping them in a group will not make them more aggressive. (although it will make them more annoying to some fish if you have species that like to just sit in one spot and not be harassed, like angles or rams, for example)[/i]