Does anyone know what is growing on my cichlid’s head and tail?

I have a young pair of GBR's who have spawned for the first time in a 75 gal community tank. They dug a pit and deposited eggs. The male appears to be the one to fan and guard the nest. The strange thing is the female repeatedly goes to one leaf of Jungle Val, pecks at it many times, then...

Is it normal for my green sevrum to be like this

I have a 48W18D20H aquarium with Malawi Peacocks. My overflow is on the left and return is on the right. What would you suggest would be ideal nozzle placement direction? I currently have a y adapter with loc-line to two flare nozzles pointing slightly up and across towards the overflow. This...