Sep 27, 2017 #2 J jessfreshwater Aquarium Advice Regular Joined Sep 17, 2017 Messages 51 Fresh water or salt water?
Sep 27, 2017 #3 Sniperhank Giant Clam Addict Joined Nov 18, 2011 Messages 20,651 Location Summerville, Pennsylvania Here in the saltwater Id section, this is a easy one. Tunicates. Harmless filter feeders.