03-20-2011, 01:32 PM
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The sex difference is noted in our profile of this species, you know where the profiles are.
If they are a pair, they will probably spawn. First issue I see is having loaches and pleco in the tank, the pleco especially will devour the eggs as soon as they find them, and as they are nocturnal (and the kribs are not) this usually occurs quickly.
If you spawn them in a spawning tank on their own, upper fish are fine (like the guppies) as dither fish that will keep the pair occupied naturally. Sometimes cichlids will eat the eggs themselves, if frightened or stressed, especially the first spawns.
Once the eggs hatch, the fry need small live food; in an established planted tank some zooplankton will be available, but to raise more of the fry the best food is newly hatched brine shrimp. There are fry preparations available in fish stores, I've never used these and don't know if they are suitable for cichlids or not.
The above is from my experience with other dwarf cichlids, not kribs specifically; I'm sure sveral members have had these fish, and they may have more suggestions on feeding.