There should be no problem with this as long as they do not have to compete with other fish for food and there is no strong current to blow them around the tank (they are not strong swimmers).i want to put a few in my 30 gal tank
One generally has 2 or 3 females for a single male but for larger groups the ratio is no longer that important. Having many males and many females will see the fish spawning where ever they like even if the dominant male has claimed the peat tub.
I would put in 3 or 4 spawning tubs in the tank. A male will claim each and entice the females to spawn. The excess males will probably be largely ignored as long as they don't fight for the tub. Having a well planted tank (as shown here) will help a great deal.
My advise is remove any eyed-up eggs and wet them with some peat extract and an oxygen tablet. Leave any undeveloped eggs in the peat and store the peat somewhere cool. This may extend the shelf-life but getting another 6--12 months may be pushing your luck. The best would be to breed your own replacement rachovii.second question is how long will these eggs last
I have some Beira 98 fish spawning right now and could supply some eggs for you at a nominal fee.
Regards
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