they seem to calm down some during the night. I think it's actually going pretty well, there's a few ripped fins but Violet was the only one to lose any fin and that was all the first day/night.
it's actually pretty thickly planted, if someone wants to hide they can, but they all seem to like to spend most of their time by the glass which makes it pretty easy for the rest to spot them, lol. Mo was doing a bit of nipping, Lexie was pretty much just flaring a little and if they ran she'd chase them for a bit