I replied in your other post... oops... The blue/black one wasnt a demasoni... (Demasoni "pombo rocks" is blue/black with only 5 bars, the other Demasoni "mozambique" is black/Purple with 6 bars)
it was a Cy. Afra, a Demasoni can hold his own, Afra's are more docile like labs
the one solid yellow I believe is a male M. Lombarodi or (Kenyi)... they get pretty nasty, hence the killing of your little one. The yellow tail is an Ps. Acei "yellow tail", looks like 2 OB peacocks, the thinner yellow and the dark brown appear to be hybrids, not sure about the brown one, but the little yellow looks to be a Ps. Crabro/mix or he's stressed and lost all stripes