Your joking right? Ray's are soft, and a dovii can tear through a ray in seconds.
Get a festae, look at these gorgeous cichlids
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^^Not my photo!
Don't you want a fish from at least the same continent as your ray?
arowana, peacock bass for sure if your looking for color and aggressiveness
I can vouche for the Argent, beautiful helmet head, mean as a snake, beautiful colors under the light. Contact Cichlid Connection who is a vendor here, name is Gage, he should have some for ya. Mine is a beast and the 500 gallon is his tank
I wouldn't put my tilapia in with my 19" ray for fear of what it could do. Mean ass fish, I wouldn't try it. Nice p.bass is the way to go. Maybe 2 or 3 pick your color, there are some amazing species out there
I think an arawana would be nice.
you've never seen the 15+ disk diameter rays eh? they're tough as nails.