Apr 23, 2012 #1 Mjpendrey Aquarium Advice Freak Joined Jul 17, 2011 Messages 313 Location Ruthin but From Worcester Anybody know what this is?
Apr 23, 2012 #2 grinder Aquarium Advice Apprentice Joined Apr 21, 2012 Messages 38 More than likely a sponge but could be tunicates as well from the best I can see.Either are harmless filter feeders.
More than likely a sponge but could be tunicates as well from the best I can see.Either are harmless filter feeders.