as long as you have a ripple on the surface then this is good.its surface movement that the oxygen gasses exchange.

The borneo suckers would be ok i have some and im sure they were called hong-kong plec's.
There are other very good small algie eating fish and ne of the best id Oto's

http://www.google.com/search?q=Otoci...e7&rlz=1I7GGIE


other members may have more choices for you to view and look over before you make your choice.
i would say get the ones you like best. In my experience the Borneo's are a little bit boring(though saying that i have 2 in a 3 foot heavy planted tank so dont see them to often)

regards robert.

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