Nov 30, 2013 #1 POLARBEAR0871 Aquarium Advice Addict Joined Oct 5, 2012 Messages 1,169 I have this on two pieces of rock I thought it was a barnacle but I just looked them up and it looks nothing like one I'm curious if what it is. Attachments image-3635735834.jpg 106.5 KB · Views: 86 image-993491759.jpg 120.8 KB · Views: 92
I have this on two pieces of rock I thought it was a barnacle but I just looked them up and it looks nothing like one I'm curious if what it is.