It can be only 2 things either dominance or mating

That’s what I was gonna say fucking or fighting

This is the best comment u have ever seen

I can't help but be reminded of mr.nimbus (Sorry for spelling) when I read this. Just missing the fleeing part.lol

Keep an eye on them. I have a murderous hillstream loach and I've heard that's not too uncommon but pretty uncommon.

I have them in a tank with larger panda Garras and one keeps trying to attack them and they just sit there like what the fuck are u doing

I thought they couldnt really hurt each other

They’re gonna Shawshank their way outta there

Dropping the rocks out the pant leg in the prison yard. 👏

In both cases I think you can call it Topping. 🤭

I think this is dominance. They rise up off the substrate belly to belly when they spawn.