Yes look up hyrdo lustar sponge filter (The best brand sponge filter) on amazon and get an appropriate sized air pump and airline tubing for it. Thats adds extra filtration, bacteria growth, and water movement. As far has hang on backs the best two are marineland penguin 350 and aquaclear filters. Though once he is huge and in a big tank you might want to look into getting into a big canister filter or a sump.
