Apr 27, 2020 #1 Carebearsss.x Community Member View Badges Joined Mar 12, 2020 Messages 70 Reaction score 94 Location Ontario, Canada Rating - 0% 0 0 0 I’m thinking it might be a slug or some sort??
Apr 27, 2020 #2 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 27,318 Reaction score 138,338 Location Wisconsin Rating - 0% 0 0 0 Pineapple sponge. Harmless filter feeder. Very common in overflows and sumps