A quick follow up.......
I decided to go with 10 Congo Tetras. After a week in quarantine I added them to the tank with the cardinals. To my delight, when I feed the tank they hit the surface like a steam train.
Thanks for the suggestions
Richard.
Hi,
I have a 180g planted tank which is currently home to 120 cardinal tetras and 15 panda corydoras. The tank looks good, but needs a centre piece fish. I’m thinking Congo tetras but I have a problem. The cardinals aren’t bothered about eating from the surface, which means uneaten food can...