I wouldn't go for either the eels mentioned; the one you posted will definitely eat your fish, and the garden eel requires 8" sand bed for a home.
if you really want en eel that badly, zebra eels are your best bet. they wont bother the smallest of fish but will prey on crustaceans.
http://liveaquaria.com/product/prod_display.cfm?c=15+29+136&pcatid=136
if you really want en eel that badly, zebra eels are your best bet. they wont bother the smallest of fish but will prey on crustaceans.
http://liveaquaria.com/product/prod_display.cfm?c=15+29+136&pcatid=136