Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
A+best guesses.
1. mojano anemone or similar
2. green star polyps
NoOk that is what i was afraid of will peppermint shrimp get rid of both kinds?
Only Aiptasia 
Check this out,.! this could be very helpful for you!
http://www.lionfishlair.com/hitchhiker/hitchhiker.shtml
the worm in my last pic looks kind of like the polychaete (chaetopterid worm) they have pictured they are building little tubes out of the substrate.

