Sep 12, 2013 #1 Bray84 Aquarium Advice FINatic Joined Mar 1, 2013 Messages 533 So moved so rocks about and found this but ain't got a clue what it is. Attachments image-3208864438.jpg 151.1 KB · Views: 101 image-2657816737.jpg 151.2 KB · Views: 105
Sep 12, 2013 #2 Ingy Aquarium Advice Addict Joined May 16, 2012 Messages 1,837 Location Comox, BC, Canada harmless clam or mussle. The normal filter feeding type, not the photosynthetic type.