Can i ad a ray

I have a pretty big indoor tropical pond 1450G.
At the moment I have;
1 osphronemus laticlavius
3 oscar cichlids
2 jaguar cichlids
2 tilapia buttikoferi
4 pleco
4 channa pleurophthalma
1 jardini
And 5 turtles
2 emydura subglobosa
2 musk turtles
1 spiny soft-shell.

I now it looks like a big list but it is a huge tank with a large food print. (54 square feet)
But i guess that is why I am asking your advice.
Most of the fish are not that aggressive but I worry the most about the turtles.

Any advise is welcome about if it is wise and or what kind of ray



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Hahaha that answers that
No ray for me at the moment


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Whahaha yeah thats what i am going to do my jardini is a sweetheart whahaha


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Yeah i know i had to move him in to the pond a bit early because he started being a dick to my channa. And a know from a previous one that when they start getting like that they can destroy very thing in the tank but now he is in the pond he got a lot relaxter. But i know i need to keep an eye on him


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