i really like the german blue rams... really wish i looked at all different kinds of fish before i set up tank so i could of got the ones i really wanted although i still like the ones i got but anyways.. i have 2 mollies 1 pleco 2 tetras 1 cory cat and 2 danio dangilas...would it b a very bad idea to add a pair or 2 of german blue rams to my 45 gallon