No. Digging doesn't mean fish are mating. My fish dig all the time, just looking for any food that may have been left behind. My large male OB literally moves hundreds of rocks a day in the tank, rearranging the substrate.
I agree, my juvie fronts dig all the time looking for food in the sand. That said i would not be suprised to notice that the fronts will "clean and arrange " a area before spawning in it. Just my opinion but my fronts have not spawned yet so i might be totally off the mark.
Are you sure they have not finished and she is holding and hiding now while she waits ? Look at the mouth and under the mouth area to see if looks like she has a big mouthful of food. Watch to see if she rearrainges or moves them around in her mouth every 10 minutes or so.
Keep your chin up mate! Your cyphos will eventually start producing fry. This hobby is one big learning curve and that makes it challenging (and fun too). Believe me; I know, it seems that I learn everything the hard way (no exceptions ). On the positive side, you have learned to identify one important key element in cypho reproduction... a dropped tube. Provide your cyphos great water quality, an adequate foot-print and keep an eye out for that tube. Before you know it, one of your girls will be cruising around with a mouth full of eggs. Then you get to move onto the next challenge :wink:
Fronties are truly amazing to watch, keep, and breed. My large male is the master of my tank and he is always watching the female next door in the nursery with his babies, truly amazing.
I love my fronties and want to get rid of everything else in my tank to keep only fronties.
My female just spit 30 fry and they are little blue striped wonders.