Ya if you have more males than females the girls will get bent backs and stuff from constant pregnation. I keep my males and females in seperated tanks so they don't bone all the time, only when I selectively do so
Sorry to crash your thread, but I saw the sand substrate come up.
A couple questions:
Do guppys do well with sand? I'm assuming ghost shrimp love it.
How do you pre clean the sand?
Will my gravel vacuum still work with water changes and substrate cleaning?
The best way to remove gravel and add...