Sep 7, 2020 #1 SpSDrew Well-Known Member View Badges Partner Member 2024 Joined Aug 19, 2019 Messages 595 Reaction score 739 Rating - 100% 6 0 0 I’ve had this Florida keys liverock in my frag tank for a few months now. Just noticed a cluster of these round white donut critters. They fall right apart if you try to pick them up.
I’ve had this Florida keys liverock in my frag tank for a few months now. Just noticed a cluster of these round white donut critters. They fall right apart if you try to pick them up.
Sep 7, 2020 #2 TriggerFinger 2500 Club Member View Badges Excellence Award Photo of the Month Hospitality Award Midwest Reefer My Tank Thread Joined Nov 12, 2018 Messages 4,509 Reaction score 16,108 Location St. Louis Rating - 0% 0 0 0 They are tunicates. Similar to a sponge; they filter the water.