Nov 30, 2015 #1 nawilson89 Well-Known Member View Badges Joined Mar 6, 2013 Messages 509 Reaction score 44 Location Tampa, FL Rating - 0% 0 0 0 This is growing on the back of one of my Cerith Snails shells. No clue what it could be.
Nov 30, 2015 #2 TheEngineer Formerly icecool2 View Badges Excellence Award Showcase Editor Delaware Reef Club Reef Squad Emeritus My Aquarium Showcase Joined Nov 26, 2011 Messages 7,296 Reaction score 7,696 Location PA What state or country do you live in Pennsylvania Rating - 0% 0 0 0 Those are hydroids. I'd suggest you get them off before they spread around your tank. They annoy corals and spread fast.
Those are hydroids. I'd suggest you get them off before they spread around your tank. They annoy corals and spread fast.
Nov 30, 2015 #3 OP OP nawilson89 Well-Known Member View Badges Joined Mar 6, 2013 Messages 509 Reaction score 44 Location Tampa, FL Rating - 0% 0 0 0 darn! Thanks!
