Yann and Rusty are correct to point out that there are drawbacks to using sand as a substrate, but it can also be used to good effect. The key is to keep the sand substrate thin (about 1/2 inch or just over 1 cm). If you go very deep you can run into the anaerobic problem Rusty mentioned. That said,...

Tigrinus, "I know M. Tigrinus and B. Flavicans can be found in the Rio Madeira but does anyone know if B. Juruense can be found here also. Also can jau catfish(zungaro zungaro) be found in the rio madeira? I want to start a strictly Rio madeira tank. A list of fish found from this river(i think...

Mokmu, Good advice! The only thing that I would add is to cover the quarentine tank VERY well. Loricariids usually exit the tank in their first week if they are going to do it. They need a few days to learn their boundries. It is a real shame to find your recently collected or purchased pleco on the...