It's because the set up you're having is a "PREDATORY TANK", in nature, instincts, design and behavior they eat meaty diets, also get much territorial for food location, mating rights and their choice territory to roam on, and ofcourse a enclose setup is very different compare to nature. Having even 1000g tank is just a tiny bit piece of shallow river elsewhere.Why can't all fish just be friends?!
WHY?!
Fish be like: NO!YES!
:WTF:<------AGREED!
Ok just making icons. LOL
Some aggressive fish can be pretty docile or placid if it's their personality, but that's just rare, can be possible though but again somehow rare because of solely fish rely on instincts, some may have intelligence but that's a exemption as it is. Other reasons are they're fed well, the tank is too small to chase other fish, bad water parameters, or just plainly placid.I personally think the aggression in jardini are overrated, they are quite placid IMO except when challenged. The only time my toga has told off any fish was when the dovii kept nipping him and even then the jar just gave a little warning bite then swan off. You will be fine providing your current fish don't piss off the jar too much.
If you want fish that will live in harmony together then tank busters aren't for you. Of course big aggressive fish will fight with each other, its in their nature.. they won't go around giving hugs to the other fishes that's for certain.
Lol that happened with jardini. My clown knife got in the jardini's swimming path and got pissed off. And just tackled it and just kept swimming lmfao. Was like b**** watch where ur swimming.I personally think the aggression in jardini are overrated, they are quite placid IMO except when challenged. The only time my toga has told off any fish was when the dovii kept nipping him and even then the jar just gave a little warning bite then swan off. You will be fine providing your current fish don't piss off the jar too much.