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Male Discus
Always Eats Eggs

Q

Dear Aquaworld,

I'm from India.  I have 63 pairs of discus with one pair, at spawning time male eats the eggs.   What should I do?

Thanks,

Prashant Thorwade
Mumbai, India

A

Dear Prashant,

Male Discus tending eggs.

Male Heckel Discus (Symphysodon discus discus) tending it's eggs that are on the side of this red clay brick.

It is normal for discus to eat their eggs.  It will often take them 10 spawns before they have a batch of eggs they don't eat.  The key is to be patient.  There are many theories on why discus eat their eggs.  One that does have some research behind it, is the fact that if the eggs have a poor fertility rate, the parents are more likely to eat the eggs.  The reasoning behind this is, they do not want to waste energy taking care of a poor batch that has a very low survivability rate.  It is better for them to eat the eggs and spawn again soon and hopefully have a good clutch of eggs that is worth raising.

You can remove the eggs to a separate tank and see how many hatch.  If there is a poor hatch rate, or no eggs hatch, the male may have a fertility problem.  If you want to raise them artificially be prepared to do a lot of work.

Tony Griffitts

20080101