Dec 23, 2016 #1 S Sidman74 Aquarium Advice Apprentice Joined Aug 27, 2014 Messages 44 Just noticed this thing on my power head. Ideas?
Dec 23, 2016 #2 coralbandit Aquarium Advice Addict Joined Apr 16, 2015 Messages 6,943 Location Saratoga,NY Looks like a stomatella? If so all good.
Dec 23, 2016 #3 54seaweed Macro Addict Joined Apr 3, 2012 Messages 7,807 Location Colorado either a stomatella snail like coral bandit said or limpet both good hard to see the foot