interesting you were able to keep them in the main display tank . I have given that some thought but was concerned they would out compete the s/h for food.
IDK as I would call it a main display tank lol...but if you mean were the mollies in the same tank as the Seahorses, then yes.
there were exactly 3 grown mollies (mollienesia sphenops) and there fry when they had them.
as for outcompete, im sure they got all the food for the seahorses they wanted lol, but they were also fed flake food so they werent super interested in there own fry......im sure they got all the brine shrimp they wanted though.
I would stress 2 things here, first off all the sea horses were spot fed the brine shrimp w one of those suction things you give meds to a baby with. I would set a light up in a corner of the hatching jar and collect them as consentrated as I could, then get real close to the sea horses and "spray" them out. had I just poured them in....idk if the sea horses would have gotten them before the mollies ate them all :/...I also fed the mollies first and spot fed the sea horses while the mollies were eating.
the other point would be, that at the time there wasnt alot of info avalible, not nearly as much or easy as there is now. there are dozens of people on this board who have had far more of them than i have had. not to mention have lots more experence.
this was 1 pair, over 20yrs ago, and I just kinda flew by the seat of my pants with them.......if i were to get them now, I would sure as heck gain as much info from these guys on here as I could before hand.