grow

have the following in a 110 and 180 tank. all these were acquired at the OCA show. Exochochromis Anagenys 3-3.5" 5 pcs. SOLD PENDING PICKUP Callochromis Pleurospilos 2-3" 14 pcs. Neolamprologus cylindricus 3-3.5" 5-6 pcs. Neolamprologus leleupis adults 3-4 pcs.(trios+1) want to...

I have about fifty plus shellies (L. Stappersii) fry. I am thinking of growing them out in a 20L to see if I can get some pairs established. My question, for those who have had the experience, "should I add several shells in the tank and see which pair up?"