Feb 8, 2023 #1 C CWalters Active Member View Badges Wisco Reefers My Tank Thread Joined Aug 4, 2022 Messages 461 Reaction score 280 Location Chippewa Falls Rating - 0% 0 0 0 Any idea what these are on the walls of my sump? Look like little spirals
Feb 8, 2023 #2 ISpeakForTheSeas 7500 Club Member View Badges Excellence Award Joined Nov 22, 2021 Messages 8,450 Reaction score 10,304 Location United States Rating - 0% 0 0 0 Looks like spirorbid worms - harmless filter feeders (they’re a kind of feather duster worm known for their typically spiral-shaped tubes).
Looks like spirorbid worms - harmless filter feeders (they’re a kind of feather duster worm known for their typically spiral-shaped tubes).
Feb 8, 2023 #3 Crabs McJones I'm so shi-nay View Badges Excellence Award Reef Tank 365 Article Contributor Moderator Emeritus Hospitality Award Reef Tank 365 Boss Wisco Reefers My Tank Thread Joined Jul 24, 2017 Messages 27,806 Reaction score 139,920 Location Wisconsin Rating - 0% 0 0 0 What they said ^^^
Feb 8, 2023 #4 OP OP C CWalters Active Member View Badges Wisco Reefers My Tank Thread Joined Aug 4, 2022 Messages 461 Reaction score 280 Location Chippewa Falls Rating - 0% 0 0 0 Thanks guys! Still learning as much as I can