I was wondering if anyone has any advice on mabye adding a Corydora catfish or a chinese algae eater to my fire-bellied toad tank. The tank setup is not my pet store's setup with mostly land and a large water dish, its a tnak with about 5 1/2 inches of water with some land and a rock or to sticking out of the water. The filtration is a small underwater filter, laying on its side, and the water jets out from the side while drawing stuff floating on top down into the filter via the upward facing vent/ sucky thing There are some plant and a hollow underwater log thing where the FBTs couldnt get too and the main reason for considering is to clean up the toad poo on the bottom as well as a few pieces of crickets. The water is clear, and about 65- 70 degrees, a small submersible heater can be turned on and off as needed Ive heard of people succesfully keeping guppies like this, to the point where they bred. Im wondering if anyone has any tips?