I recently added a female eureka peacock to my 90 gallon african tank and it seems that all the fish in there are trying to mate with her.. Im pretty new to fish keeping and im still not sure what it looks like but when ive added other fish to the tank they dont behave like this. They seem to swim right in front of her turn their sides to her, flare up, and they seem to "vibrate". They dont try to nip at her like when ive added other fish they just seem to display to her. My electric yellow, red zebra, male eureka peacock, and my kadango are doing this. Their all about 2.5 inches... Are my fish trying to mate or is this just something else??