May 31, 2017 #1 F franktobia Aquarium Advice Apprentice Joined Apr 19, 2017 Messages 46 Location Jersey Shore
Jun 6, 2017 #2 Autumnsky Moderator Site Team Joined Apr 4, 2012 Messages 16,755 Location Northern Colorado, USA Is the center part sticking out like a tube and hard...Vermetid snail?
Jun 6, 2017 #3 Sniperhank Giant Clam Addict Joined Nov 18, 2011 Messages 20,651 Location Summerville, Pennsylvania Tube doesn't look right for vermetid snails. Looks more like a harmless feather duster tube to me.