You can see the eggs and developing fry with a bit of practice.
A spawning mop is usually made from a length of airline and a joiner. You make a loop from that and then attach a heap or green or brown acrylic wool to the loop or a float of some sort. The fish lay eggs on the wool and the float lets the wool hang down from the surface. They are easy to make.
If you post a picture of the fish displaying, we can see if they are males showing off to each other or males breeding with females.
A spawning mop is usually made from a length of airline and a joiner. You make a loop from that and then attach a heap or green or brown acrylic wool to the loop or a float of some sort. The fish lay eggs on the wool and the float lets the wool hang down from the surface. They are easy to make.
If you post a picture of the fish displaying, we can see if they are males showing off to each other or males breeding with females.