Apr 18, 2026 #1 courtneykeeps Active Member View Badges Reef Of The Month UK Reef Club Member My Tank Thread My Aquarium Showcase Joined Feb 16, 2022 Messages 172 Reaction score 343 Location London Rating - 0% 0 0 0 Found this in my aquarium yesterday. Never seen it before! I thought it was algae at first but I'm fairly sure it was moving very very slowly, and there's two smaller ones next to it. Maybe some kind of slug or nudibranch?
Found this in my aquarium yesterday. Never seen it before! I thought it was algae at first but I'm fairly sure it was moving very very slowly, and there's two smaller ones next to it. Maybe some kind of slug or nudibranch?
Apr 20, 2026 #2 Gumbies R Us God, Bouldering, and Reefing View Badges Staff member Super Moderator Ultimate Member Reef Squad Reef Squad Leader Partner Member 2026 Partner Member 2027 Excellence Award RGB R2R Secret Santa 2024 R2R App User Secret Santa Database Team Article Contributor Hospitality Award RASOC Member ThreadAward My Aquarium Showcase Joined Nov 10, 2022 Messages 30,048 Reaction score 53,089 Location North Georgia Rating - 0% 0 0 0 @ISpeakForTheSeas