Should have said that before. The pleco is very likely responsible for your eggs disappearing overnight. They're notorious egg lovers. In fact, people often introduce plecos to a tank to control the amount of fry a pair produces.
The parents will keep him at bay during the day, but at night when they can't see he will sneak in and eat the eggs.
Take him out and you should see the eggs hatch in no time.
The parents will keep him at bay during the day, but at night when they can't see he will sneak in and eat the eggs.
Take him out and you should see the eggs hatch in no time.