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first of all, what fish do you have in their? and if you want to save them you have to make sure you have another tank ready to go for them when they grow
the reason i ask for fish is to see if they lay eggs or are livebearers
My best guess would be Cory eggs. You will have a hard time hatching cory eggs in a community tank. If you want to raise fry you are best seeting up a breeding tank to hatch the eggs.