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After watching 100 eggs fungus, after I removed the parents, but did not treat for fungus. I'm stuck with a question, how the heck do cories reproduce in the wild? Why do eggs go bad so quickly in the aquarium? Short of fungicide, is there any way to minimize it?

ie, I have 11 Bronzes, and I really dont need all the eggs, but would like some to survive, if they arent eaten. (Babies good, lunch = ok, fungus = bad)

On the bright side, they just laid ~200 eggs in the 55, 3 days after being moved in there. The plecos like the cories very much, although it did take one 5 min to pry some eggs off the filter.

I once heard that there are some species of shrimp that "tend" to fish eggs. Aparantly they eat debris and often 'go over' eggs in order to feed. I don't know if this is true but it sounds like it could be.

Other than that i guess that a current may go over the eggs in order to keep them clean, but i'm no cory expert so i don't know

Why do eggs go bad so quickly in the aquarium?

Primarily because an aquarium is a closed system where the same pathogens linger around the eggs far longer than they would in the wild.