Oscars

[sun]

Are oscars aggressive with a different type of fish with them? Or even a turtle maybe? Something weird happened and I cant figure it out. my turtle is gone but only the shell was in the tank and im freaked out

 

[Crazy mike]

How big is everything involved, Oscars, turtle,tank,other fish? What selfies of turtle? Where there any flesh pieces present? Its possible the Oscars killed but we need more info

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