I have a related question. I got zebra danios to liven up the top of the tank and they are dying right and left. I think maybe the cool water is too stressful for them even though it should be okay for them. I was wondering if I should wait until summer to add fish that haven't seen cool water temps ...

Hey thanks for all the ideas. I would love to have paleatus corydora and bristle nose too. I wish I could find those green ottos from uraguay for the algae.

Thanks, how long have you had the gymnos?

Hi,
I have set up a room temp 55g for Gymnogeophagus and need advice on what tankmates they can have. It is a planted tank with sand and ecocomplete substraute and the temp is 66F now and maybe up to 80F in the summer. I'd love some catfish in there especially if anyone can recommend something that ...