My two mandarins

[Keri]

I agree with the others, looks like fighting to me as well, but I'm glad you found a good home for one

Originally Posted by KeMo

Wow I cant believe it was so hard for you to spot. When one fish has another part of a fish in its mouth like that and the spin around and bite . Umm they are fighting. I could tell within 2 secs of watching the video.

Not actually a very helpful post KeMo... Often times "mating" and "fighting" in the animal world are hard to tell apart as sometimes it can be violent and this person didn't know so they were doing the right thing by asking for our help.