May 9, 2020 #1 unitedaf Community Member View Badges Joined Feb 20, 2020 Messages 81 Reaction score 52 Location Colorado Springs, CO Rating - 0% 0 0 0 What are those while hairy things around it?
May 21, 2020 #2 PeaBrain Active Member View Badges Joined Feb 26, 2020 Messages 276 Reaction score 530 Location Columbus Rating - 0% 0 0 0 Feeding tentacles?
May 21, 2020 #3 GSnake Well-Known Member View Badges R2R App User Joined Aug 6, 2018 Messages 640 Reaction score 265 Location Ontario Rating - 0% 0 0 0 hydroids?
May 22, 2020 #4 MohrReefs Valuable Member View Badges My Tank Thread Joined Feb 29, 2020 Messages 1,136 Reaction score 842 Location Mt Juliet Rating - 0% 0 0 0 Poke it and see what happens.
May 22, 2020 #5 Tahoe61 10K Club member View Badges Ultimate Member Reef Squad Excellence Award R2R App User Moderator Emeritus My Aquarium Showcase Joined Mar 2, 2012 Messages 18,084 Reaction score 21,792 Location AZ Rating - 0% 0 0 0 Mesenterial Filaments I believe.
May 22, 2020 #6 vetteguy53081 Well known Member and monster tank lover View Badges Ultimate Member Reef Squad Excellence Award Reef Tank 365 RGB Photo of the Month R2R Secret Santa 2024 R2R App User Secret Santa Article Contributor Tampa Bay Reef Keepers West Palm Beach Reefer Hospitality Award Ocala Reef Club Member 305 Reef Club Wisco Reefers Midwest Reefer Fish Medic MAC of SW Florida Rock Pool Reef Keepers ThreadAward My Tank Thread My Aquarium Showcase Joined Aug 11, 2013 Messages 108,878 Reaction score 245,209 Location Wisconsin - Rating - 100% 17 0 0 Old worm tubes often found on rock in sump. You can scrape away with old credit card