Dec 29, 2021 #1 PeterEde 2500 Club Member View Badges Joined Nov 8, 2021 Messages 2,623 Reaction score 2,194 Location Adelaide, South Australia Rating - 0% 0 0 0 At least 10 polyps at base of xenia. But this glows under UV
Dec 29, 2021 #2 S Shirak 2500 Club Member View Badges Joined Nov 3, 2019 Messages 3,371 Reaction score 1,917 Location Thousand Islands, NY Rating - 0% 0 1 0 Some sort of feather duster worm living in the rock is my guess
Dec 29, 2021 #3 A Young Reefer Valuable Member View Badges Article Contributor Joined Sep 21, 2021 Messages 2,217 Reaction score 3,224 Location E Rating - 0% 0 0 0 Those look like feather dusters.
Dec 29, 2021 #4 OP OP PeterEde 2500 Club Member View Badges Joined Nov 8, 2021 Messages 2,623 Reaction score 2,194 Location Adelaide, South Australia Rating - 0% 0 0 0 Yes. They do retract.
