Was Getting These Fish A Mistake?

So I decided to add a few exodons to my new 75 gallon south american tank only because they had come out of a tank with other fish in it. They've been in the tank now for a over a month and haven't bothered any of the fish but I'm definitely watching them closely.
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[@PFFishing]

I just want to say that I appreciate everyone who is still watching the channel with how inconsistent my posting has been. I promise you guys I’m back now and can’t wait to get back to consistently posting!

[@toxicbenzz]

Yay he’s back

[@Sean-ll5cm]

Never heard of them, but they look cool -- they dart around like piranhas

[@PFFishing]

Yep they kinda remind me of a smaller version of piranhas

[@VincentsReptiles]

Try to do a update on the alligator gar and the koi

[@MasterBlakeYT]

For your guppy and Cory tanks, how do you feed the cories? Because when I try to feed my Coryies, the Guppies just steal their food

[@PFFishing]

Feed pretty heavy on frozen food like bloodworms or brine shrimp and just make sure some gets to the bottom but also feed the sinking wafers

[@furiousyt282]

🤙🏽🔥

[@unique4288]

Hell yuh bro less see the pomd

[@unique4288]

Pond