okay i was thinking about adding a green serverum to my tank and moving the angels to my 55 gal (when it is set up) and was wondering if my gold serverum would be aggressive towards a new one coming in to the tank. i know that they are rather peacefull but i wasn't still sure. my serverum know is about 3in. and if i did add another would they be comfortable in a 90 gal together with maybe a pair of kribs.
EDIT: SEVERUM
EDIT: SEVERUM
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