omojena;3761798; said:are you sure all 4 of yours are males? i think i have seen a m/f pair where the male had a huge hump and the female had a slight hump.
Gee, maybe your right. It would be nice if they would spawn in the tank.
All four definitely have humps (maybe not lady bumps) and they all seem to chase each other, so it's not like they are pairing up. So it is hard to tell.