how to tell if cory eggs are fertile

Best answer

How To Tell If Cory Catfish Eggs Are Fertilized. Fertile eggslook beige in color, and they tend to develop a darker spot in the middle as the hatching nears. As long as the eggs do not develop fungus, the fry will most likely hatch successfully. Infertile eggs look plain, white, or translucent.

People also ask

  • How do you know if a cory catfish is fertile?

  • Cory eggs? If so how do you know about the fertile or not fertile part? Hello! I have had Cory catfish lay eggs in the past and have found that the best way to tell them apart is the non-fertile ones turn white and the fertile ones stay kind of clear.

  • What do fertile eggs look like when they hatch?

  • Fertile eggs tend to look beige in colour. They will develop a darker spot in the middle as hatching nears. So long as the eggs don’t get fungus, there is hope they will hatch. Infertile eggs will look plain and white/translucent. The eggs should take about 3+ days to hatch, and when they hatch, the fry are super tiny.

  • How to tell if an egg is fertilized?

  • From candling to just cracking them open, there are a few different methods to checking if an egg is fertilized. A person can tell if an egg is fertilized by either candling the egg and looking for dark splotches/veins, or by cracking the egg open and seeing if it has a small white spot (germinal disc) on the yolk.

  • How do you hatch Cory eggs without removing them?

  • I have never been able to hatch cory eggs without removing them. I have a small fry tank (20 gallons) and if the eggs are on leaves, I cut the leaves and hang them in the fry tank. If they are on glass, I gently scoop them out with a credit card (clean) and try to attach them to a leaf.

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