10-30-2010, 06:54 PM
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I concur with what has been posted from others. As you asked for guidance on the spawning, I'll add my experience with this species.
While differentiating sexes in immature fish can sometimes be difficult with this species, in a group together the male tendency to push away all other males, and usually protect a chosen female, is quite obvious; I have observed it in store tanks, and it is a good way to purchase a pair if spawning is wanted.
While they may be fairly good parents even from the start, the presence of so many other fish in a community tank is usually too much even for seasoned parents. Catfish (like Corydoras) that are active during total darkness when the cichlids are not will often find the eggs or later the fry and that's game over. I have observed this frequently with my present pair of Bolivian Rams in the 115g tank, and formerly my common rams in the 90g lost the fry to the Corydoras in daylight that time.
If you do want to raise a future spawn, be prepared to devote considerable time to feeding the fry. Isolating the pair in a smaller tank, like a 15g, will result in spawning and hatching, but then comes the feeding several times a day of small live food to the fry. Brine shrimp works with cichlids, but hatching out brine shrimp eggs every day will require some time from you.
I already noted by agreement with prior posts, but I particularly re-iterate 1077's advice on the temperature.