I have a five inch arapaima. I put him in my big tank thinking he would be fine but my poly ornate bit his tail off at the end. It has been in a different tank now and has healed over but what I'm wondering is since it has do much growing too do if there is a chance some kind of fin could grow back. He's my first arapaima so I don't know much about them. As far as how durable they are. Hopefully someone has good news
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