ok i have an astablished 180 gallon tank with 4 cichilds small yellow about 3" and two oscars one is 7" other is a relpacment for one that died he/she is 3" they all get a long fine always have i just added a small jack dempsy about 2 " what is going to happen when hes or she is bigger will it destroty my small ciclids or will it be cool sense he is small thanks
