ok, so it first it was fish can't be trained, now it's just fish can't be trained not to be aggressive?see no reason to re-evaluate my position as far as aggression goes with that. you can keep any fish in any tank long as proper fish for the environment provided,long as the tank is big enough with proper line of site breaks and or decor for the types of fish you have. My oscar knows what the feeding container looks like and goes nuts when i pick it up, I put him the smaller tank, and he going to go ape **** on the other fish regardless of what my food canister looks like. Same for for my jag, or JD.
of course, you put your fish in a new stressful situation it's going to act out. I'm interested in how much effort you put into training him before deciding it doesn't work.
http://www.monsterfishkeepers.com/forums/showthread.php?552898-Training-the-texas
I've done it, and it didn't take all that long either.I've had dogs that took longer to potty train. plus, it's been around 9 months and the training still holds. I haven't had to wave my stick around at all.