I personally wouldnt keep fish in it.(is it one of those MiniBow's?) If you want fish i would recomend atleast 10 gallons of water. But it would make an awsome Desktop shrimp tank,and shrimp are generally easy to maintain.
Check out this webpage
http://www.aquatic-store.com/en-us/dept_307.html
Check out this webpage
http://www.aquatic-store.com/en-us/dept_307.html