I just recieved a 43gal tank a couple weeks ago. I was transferring fish from one tank to another. Then when I finally caught my Pictus Catfish he got stuck in the net. He stuck his fins into the netting and was stuck. I had to cut the net to get him loose. In the process he tore up his fins but he swims fine even though he has tiny pieces of net on his fins. He doesn't act like he is hurt so I guess he is fine. I will remove the net from his fins soon.