I have a 37 gallon containing 1 Tomato Clown , 1 Blue Headed Wrasse , 1 Royal Gramma , 2 Damsels , is it possible 2 hav a Snowflake or Ghost Eel with damsels or should i wait until the damsels and gramma die? can a snowflake eel live with a full grown tomato clown and 6 inch blue headed wrasse with out eating them?