LMAO Roman orgies!!!!!!!
There is a way to sex them on applesnail.net but it involves the snail being co operative. I normally just separate them as a pair and watch them. If they mate then I make note of the male and female.
2x 20Lgal Pond snails/mystery snails, Fire Red Cherry Shrimps/Oto ~~ 30gal Pea Puffers/Zebra Danios/Cherry Barbs ~~ 55gal 7x Cichlids/4x Otos