Originally Posted by kmny34
Is it ok to keep upside down cats with Cory cats?
I have a 30 gallon with 4 green Cory's now and wanted to put 2 upside down cats in there.
Yes, they're fine together- they have completely different habits. Cories will be active during the day, and the UD cats will be active at night. UD cats are not in any way aggressive, but because they are busy at night, provide shelter for the cories to sleep undisturbed.