11-05-2012, 07:56 PM
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Originally Posted by Canadian Fish
Oops, missed this in the profile:
" The male is the more colourful and a mix of equal male/female is best, though a slightly higher ratio of females is advisable"
I just went with what looked better. Surprised the LFS didn't tell me, they let me know in the past when I bought other fish that required a higher female to male ratio. Hopefully the tank is big enough that the aggression is kept to a minimum. I can always add some females, though they only have them in the smaller size.
I need to revise that profile. I have a group of 10 Congo, five male and five female, in my 90g. Had them for over a year now. The males show basically no interest in the females except when the females are sending out pheromones they are ready to spawn. One or two males will chase the female, and one spawns with her in the plants. Eggs fly everywhere, but are quickly gobbled up by the Black Ruby Barb, Beckford pencils, and Emperor Tetra. But aside from spawning, the males tend to ignore the females. I have races down the length of the tank between two males, sometimes a third will join in. They take turns, like a relay. This goes on for hours every day. The females tend to just hover around, ignored to boredom apparently.
Back in the 1980's when I last had this beautiful fish, I had five, 3 males and 2 females. My memory is not crystal clear, but I know I did not have any problems. I suspect the main thing is the group, the more the better. Their social interaction is magnificient.