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Question, my a wangenflecken have proved to be amazing first time parents. Their fry are now two months old and the mother has laid again. Should I start removing the older fry in preparation of the new arrivals?
I don't have sp Wangenflecken, but in most apistos I have the mother will try to drive the old fry away when the new spawn arrives. In a tank where room to escape is limited she may end up killing quite a few of the older generation.
But then, I had some pairs where the mother only gave chase and two generations of fry coexisted for quite a while in that tank
My experience with A. sp Wangenflecken is that the older fry will eat their younger siblings, and as regani said the mother and father might kill the older ones but sometimes just chase them around.
I usually leave the older ones in the aquarium (densely planted), and some of the old and the new fry survives. One time i had 4 generations of A. sp Wangenflecken in the same aquarium.
That's no lie, I had my extremely pregnant girlfriend helping me try to get them out. But there has to be at least 20-30 left in the tank, so I'll let nature take it's course. I was hoping that these guys would be a bit bigger before the parents laid again. But such is life.
Try a small bottle trap. You can find details on youtube. If you put moss in the bottle and around it you will attract the fry to the safety of the moss. Put their favourite food in the bottle and you will catch a few. Remove fry that are caught, regularly as the water will go off.