After a few pics it left its tube and swam away! Never seen that behavior before in a tube worm. So I got a few pictures of the actual worm in-vivo, a rare chance. Hard to get a good shot in the surf ...
Pictured at night in 2-5m of water with shallow limestone reef, sand patches and seagrass meadows surrounding.
DCIM\104GOPRO\G0033955.
sponge predation
sponge uploaded as a separate observation: https://www.inaturalist.org/observations/105658168
20m+ depth. Small stars - Porania and sponge uploaded as separate observations:
https://www.inaturalist.org/observations/105496842
https://www.inaturalist.org/observations/105496843