Help ID’ing some odd critters.

[PirateMonkeyReefer]

Hello R2R, I need some help ID’ing the critters bellow. In the first one it looks like some kind of filter feeder. (Center left

On the second image there’s this white tentacle. (Center) Idk what it is but it is. It gets longer and shorter and reacts to stimul

 

[tripdad]

The first pic has hydroids, a paly and some other stuff. Second pic, not seeing what your questioning.

 

[RedFrog211]

First one is colonial hydrazoa
I believe the second to be a digitate hydroid

 

[PirateMonkeyReefer]

First one is colonial hydrazoa
I believe the second to be a digitate hydroid

Thank you!