with your girlfriend do a google search on mandarins you will read post after post, advice after advice not to get one. you need at least 75 pounds of live rock and a years time before you can think of having such a fish. many of the better more caring fish stores will not sell them unless you basically qualify for it.. about 2% of all Mondrian's bought will last more then a month in care yet people buy them every day thinking they can handle it and many very experienced hobbyist..