Jan 27, 2026 #1 A aus1230 Active Member View Badges R2R App User Joined Apr 13, 2025 Messages 296 Reaction score 77 Location Austin Rating - 0% 0 0 0 These have appeared all over my rock and kind of look like aiptasia in a way? Any ideas?
Jan 27, 2026 #2 JTP424 2500 Club Member View Badges Excellence Award R2R App User Secret Santa Midwest Reefer My Tank Thread Joined Jan 10, 2022 Messages 2,762 Reaction score 3,196 Location US Rating - 0% 0 0 0 Pineapple sponges! Harmless filter feeders. Signs of a maturing healthy tank.
Jan 27, 2026 #3 StartingATank Self-Diagnosed Coral Addict View Badges R2R App User Pumpkin My Tank Thread Joined Nov 30, 2024 Messages 1,505 Reaction score 1,035 Location DFW Metroplex Rating - 100% 1 0 0 Pineapple sponges. Harmless and a good sign