I'd like to add an update to my previous post as a caution to others. Out of the seven adult discus I've purchased in total from Mathias, only two arrived the same size as advertised on his web-site and via e-mail communications. One fish was 1/2" smaller than what was advertised, and four were a full inch smaller than what was advertised. As silly as it may sound, it took me a while to figure this out, since I was new to the hobby, and didn't have much basis of comparison. I'm still very happy with my fish, and they are nice, quality discus. Just set your expectations going into a purchase with Discus Madness: subtract an inch from the size of the fish you are ordering. As long as you know that going into the transaction, you should be okay. This comment only applies to adult discus (5.5" or larger).