clean up crew

I've got a 4foot by 3foot tank with a silver arowana about 10 inch maybe a little more and a black ghost knife fish about 11inch and a common pleco I'd like some fish to stir up my sand substrate alittle more but obviously can't add Corydora as my arowana will eat them any ideas appreciated its...

I have a 40 gallon breeder tank I am going to use for my red ear slider and bottom dwelling turtle as a temporary tank for a good while since there small and I want to get a softshell or musk turtles for it too eventually. But I need fish suggestion on what fish and clean up crew to put in it!

AquariumDepot.com Clean Up Crew - 80 Critters Shipped FREE 3 Crews On Sale - - Under 50 Bucks - Check them all out here: AquariumDepot Saltwater Clean Up Crew We had multiple requests for reduced shipping for our Pods and Plants - we are now offering USPS shipping for ONLY $9.99 on Pods &...

New & Awesome - Corals in the 10 Buck Bin + New Corals to Love (Pics Included) Check Out the Coral Bin - Love the Coral Love the Price - Shipping for Christmas - There is Still time for delivery on Friday Visit AquariumDepot