Multiple ID for HitchhFAQ

[OddFish]

Can you identify the following hitchhikers (pictures will be submitted for Hitchhikers FAQ)?
Thank you!

1. Unknown.jpg - tube with colorless tectacles, not octocorallia or aiptasia.
2. Colonial turnicates? White dots on red background.
3. Some kind of mollusk.

 

[OddFish]

4. Some kind of very thin worm.
5. Pink encrusting something. No central or multiple openings.
6. Orange, thanslucent encrusting base, with kind of protruding feather dusters.

 

[OddFish]

7. Brown mushroom-like mass - could be Lobophora? http://www.marinelifephotography.com/marine/seaweeds/brown-seaweeds.htm
8. Yellow encrusting sponge?
9. Crab inside Christmas tree rock. Long antennae.

Will continue later.

 

[LeslieH1]

4. digitate hydroid
5. pink sponge
6. orange sponge with sabellid polychaetes
8. yes, yellow sponge
9. coral hermit crab, Paguritta sp.

2 - image not clear enough for phylum id

 

[OddFish]

Thank you!
Continue:
10, 11. Hydroids?
12. Top view of already posted mollusk.

 

[OddFish]

13. Red slime - cyanobacteria?
14. Worm-like, attached.
15. Small feather duster in cone-shaped tube.

 

[OddFish]

16, 17. Feather dusters, another kind.
18. Flabelligerid (iridescent) and the barnacle above it (ducking movements), right? On the same Christmas tree rock.

 

[OddFish]

Algae:
19. Red forking algae, Rhodopeltis or Galaxaura?
http://www.meerwasser-lexikon.de/eng/47/2091/Rhodopeltis/sp. .htm http://cookislands.bishopmuseum.org/results.asp?ebg=zM&search=true

20, 21. Sargassum?

 

[OddFish]

22. Hair-thin green algae.
23. Short fan-like green algae.
24. Ulva-looking algae, only long folded shape.

 

[OddFish]

25. Red turf algae? Wire-like.
26, 27. Red turf algae? Short wider leaves.

 

[OddFish]

28,29. Red kelp-like algae, colder color, glossier, less feathery. Cheilosporum sp?
http://www.com.univ-mrs.fr/IRD/atollpol/ecorecat/ukalgesp.htm
30. Green stiff algae, not chaeto and longer than valonia.

 

[Paintbug]

#7 looks like Lobophora variegata which is a type of scroll algae.
http://www.saltcorner.com/sections/gues ... iegata.htm

 

[reefman225gal]

#5 looks like Didemnum cuculliferum (tunicate)

 

[reefman225gal]

#5 looks like Didemnum cuculliferum (tunicate)