thanks Butterfly, I have 2 fake plants (but they are sparse) and a ruin shaped like a house, and a little tunnel made out of 3 rocks (2 sides and a roof)..one cherry hides in the house where I can hardly see him, and the other hides in the tunnel. I used to have 3 cherry barbs but 1 died, so maybe with a few more playmates they will come out of hiding.
I appreciate you telling me about your danios! I'll look them all up so I can see what they look like..the Petsmart here only has zebra danios and I would like to see other varieties.
I believe I've read I'll need 2 or 3 otos...would 3 be too much for a 20g? also do they prefer sand or gravel? I want to change my substrate, as it is the multi-candy-colored gravel and I think it detracts from the fish.. thanks!
Denise