I’ll recheck but sure I’ve seen them not attached to main body…. I’ll get-microscope on it shortlythis post you made, just looks like a spaghetti worm tentacle. And they move fast. I seen my cbb try to slurp them down.
Pest id
Hi Notice this a week ago but thought it was coral slime at first…… Double check it to day as I though it was weird been in same place again….. As soon as you shine a light on it it retracts into the rock work….. either think some type of brittle star or worm …. Video is crap as just off iPhone...www.reef2reef.com