I have this feather material growing out of the side of this coral. I pull it off and within a few days it is back and grows rather long. The coral seems fine, but I don't know what this is. Is it just some weird growth point on the coral or something else? It doesn't retract when touched as initially I thought it was a feather duster or apatasia; however, when I let it grow out, it doesn't appear to be that.
Thanks
Thanks