Iambatman I thought about this as well; spc my Cory's in there lay eggs like CRAZY and I have not a single 1 survive. But you think naturally in the rivers they may also travel away from where they lay eggs, in our tanks that won't work. There's a lot more set up's in their natural habitat that supports the eggs to survive vs our limited tank set ups.
And take the Cory's for example if I was able to collect all eggs each week and they all would hatch indeed I'd have some 100+ Cory fry each week....Lord knows that would be a lil too much for all my tanks
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