Dec 12, 2019 #1 W willbaroo200 Aquarium Advice Apprentice Joined Nov 24, 2019 Messages 24 Anyone know what these white stringy things are on my zoa's?
Dec 12, 2019 #2 Sniperhank Giant Clam Addict Joined Nov 18, 2011 Messages 20,651 Location Summerville, Pennsylvania It will be a filter feeding worm of some sort. Could be one of a handful of them.