Hello and thanks in advance. Earlier today I was transferring 2 16'' TSN cats to another tank. The first fish was netted and moved with no problem, besides getting water on the walls and ceiling. The second one was a different story, I netted him and the spine on his side (pectoral) fin got caught in the net. I tried to get him un stuck, but the cat was so strong and flailing so hard, before i could get scissors to cut the net loose, the entire bony structure of the fishes fin was ripped out from the socket. Needless to say, i felt horrible. It took about an hour for the fish to stop bleeding, but its still alive and not moving much. I guess my question is will the entire fin grow back? And should i treat the tank with something to promote healing? any advice would be helpful, thank you

