Two "What IS that"?

[Seaworthy]

I've got bunches of these sprouting up everywhere. ID please...acts like a coral, stick coral? What IS that?

http://farm2.static.flickr.com/1326/744906151_2080a797d8.jpg?v=0

I've got this coming through the ports in the plumbing...acts like a worm...what IS that?

http://farm2.static.flickr.com/1258/744906159_e6bedd3935.jpg?v=0

[Peter Eichler]

1.) Hydroids

2.) Bleached Aiptasia