We currently have a 25 gallon hex with 7 damsels, 1 Blue, 2 Blue Devils, 2 Yellows & 2 Dominos. Also, several Turbos, Blue & Red Hermits, sand sifting snail, 2 emerald green crabs and 1 fire shrimp. The tank is 3 months along, we're new to the hobby. Planning on upgrading to a 92 gallon...