I don't think they are. Not to go against your knowledge or anything but i don't thinks so. I thought they where at first but the fingers are spread out more than a feather duster. And I have a hitchiker feather duster and it looks nothing like these.
What else could they be?
Featherdusters is a very vague label and included many many different critters. They all don't look the same. I have pictures of ones spread out like that but I'm on my way to work and will have to look for them in the morning.
Okay Well since you are hooked that they are feather dusters then I guess your right.
Is There anything like this though that spreads all over. Be cause It seems to be spreading. If I notice more in that area I will tell you guys
Umm, looks to me like feather dusters too... You know feather duster worms, when they have babies, their spawn crawl to the next point and set up a tube and spend the rest of their lives there.
it looks like a hydroid, so I know what you are getting at, Life.
Hydroid: