02-02-2014, 12:27 PM
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Breeders have preferences on male to female ratios. As a keeper, I would just go with a group of 5 or more and not worrying about the sexes. The males will not be chasing the female all the time; Only when she is ready to lay eggs. You could have multiple females which is giving you the impression that they are being chased all the time. I have a set of 5 sterbai cory with 3 females. 2 females unusually lay eggs at the same time and the 3rd lays about a week later. My females will lay about 5 months straight every ~28 days.
I wouldn't have faith that the fish store would be able to correctly sex them. Plus, you are more than likely dealing with young fish making it even more difficult to sex.
You can rub them off with you finger in to another container of cut the leaf and place it in a container (breeder net).
Last edited by Thoth; 02-02-2014 at 12:30 PM..