The pennywort was recommended based on my stocking list...it's a 46 gallon bowfront and is going to contain (eventually): 1 angelfish, 1 German blue ram, 4 African dwarf frogs, 3 sunset platies, 3 blue platies, 3 dalmation mollies, 9 cherry barbs, and 9 harlequin rasboras.
If they decide to eat...