ID please. Coral family?

[mjr]

I got these from a reefer who said they are over 14 years old, almost never open, and the times he had seen them open, it was during a moon cycle.

What are they?

The video and pics are of a sweeper it sent out one night.

https://www.dropbox.com/s/xxwj0kb35zhxsbz/2014-01-04 21.14.34.3gp

 

[mjr]

Some daytime lighting in these pics.

 

[Tahoe61]

Snake Polyps.