Need Help!!! Never seen this before

[Spare time]

Didn’t realize there was a second thread for this ID - as mentioned in the other thread, hydroids, probably Myrionema amboinense.

Apparently the urchins Salmacis bicolor and Diadema setosum eat them?

 

[JGT]

Could be yellow parazoanthus.

 

[ISpeakForTheSeas]

Could be yellow parazoanthus.

That was suggested in the other thread too:

He has great detail on the stem structure. Not microscopic. But clear stems and branching polyps.

Vs yellow palythoa.

 

[blaxsun]

Could be yellow parazoanthus.

Good guess.