Are black moores and mystery snails compatable? I ask because im thinking of getting a 30 gallon for my black moore that is in with the other goldfish (he is slower and doesn't get nearly as much food as the others) and put some mystery snails in with him. Possibly use it as a mystery snail grow out tank but with a black moore in it. Any concerns come to mind when you read this? Would this work? Permanently/temporary? Thanks 