Trevzor;4882402; said:5 or 6 is usually the recommended number
Bderick67;4882422; said:You'll be looking at a tank with dimensions of at least 8x3'. I would recommend going with at least 30" of tank height. You can go with some geophagus they will keep the bottom clean. Also there are lots of different types of plecos you can look into.
My tank is pretty much SA themed, though the eel is from asia.
Trevzor;4882448; said:there are all sorts of SA catfish species as far as bottom dwellers go
derekp;4882534; said:Leiarius marmoratus
If you have a tank big enough for the aro, it should be big enough for this guy as well. veery neat cat.