The biggers ones, I believe, are more likely the females. The medium sized are probably full grown males and the smaller juveniles.
I found my soldier against hair algae! It's not my otos, RCS, or a platy. It's a snail! Not just any snail, this snail. Looks like some kind of horn
I've been using Prime for years. I've never had any experience remotely similar to you describe. Sounds like there are other issues. What are the results
Anyone have some subwassertang to sell? I don't need much, just enough to tie to 3 small pieces of cholla to give my shrimps some good hiding places.