corky sea finger

Would love advice on this if anyone has experience with these sea finger gorgonians (i know not technically LPS but theres no gorg forum) - my corky finger gorgs just seem to get skinnier and skinnier. This guy has been retracted for last couple of days, but was fine and full of polyps 2 days...

Hello fellow saltines, I've been trying to find info on corky sea fingers and their growth habits but I can't seem to find anything. For example I found this pic online of some corkys in the wild. Is that new growth off the top or are these dying? I just got a frag of one of these guys so I...