For sale here is a vial of freshwater rotifer eggs. These are a perfect live food for fish fry that are too small to eat newly hatched brine shrimp.
Culturing instructions: Add the eggs to a jar of green water and gently stir. Keep the jar in a well lit area and provide gentle aeration. The best food for culturing rotifers is green water or algae paste. Rotifers eat a tremendous amount of algae and will starve quickly if no food is available. As such the rotifer culture should be fed daily with green water.