venzi Posted November 12, 2022 Share Posted November 12, 2022 So I had bought two female bettas and placed them in a QT tank together (no other fish) and noticed something interesting. Initially, the smaller betta was flaring and aggressive towards the bigger betta. The smaller one would not eat, while the bigger one would eat and run away from the smaller one. Then, after 2 days or so, the bigger one started flaring at the smaller one and the smaller one would run away. Has anyone noticed a similar reversal of roles? After a few more days, they were settled down and both were eating just fine and seemed healthy enough for me. The aggression I saw did not seem too violent. The fish would chase each other, but it almost looked like they were playing flag football (vs tackle football). What I mean is that the fish would chase each other, but stop short of actually bumping into the other fish. Like no attempt at ramming or nipping that I could tell. Today, I tossed the two female bettas into my main 20g tank which already has a female betta, which is the biggest of the three. So the biggest one starts chasing the smaller ones around, but this time it's an aggression that's on another level. I can see the big one's mouth trying to nip. So I thought that was interesting that there are levels of aggression at play. The most interesting thing for me was that even though the one big betta that's chasing the two small bettas (one at a time, never both at the same time), the big betta does not seem like it's "out of breath" at all. I don't see it's gills moving rapidly, but for the two smaller bettas, I see their gills moving rapidly. I would think the big one would be out of breath b/c it's trying to chase 2 smaller bettas, but it doesn't seem to be the case. I do notice that when the smaller bettas are running away, they do seem to not "efficiently" expend their energy. They are darting around in short bursts, while the bigger betta more casually chases them in a straight line. Anyways, just wanted share my story and check if anyone else has noticed similar aggressive patterns. Link to comment Share on other sites More sharing options...
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